Symbols and Notations Reasoning Questions

Directions : In the following question you have to identify the correct response from the given premises stated according to following symbols :

1. If ‘+’ stands for division, ‘÷’ stands for multiplication, ‘×’ stands for subtraction and ‘–’ stands for addition, which one of the following is correct?

(1) 18 ÷ 6 – 7 + 5 × 2 = 20

(2) 18 + 6 ÷ 7 × 5 – 2 = 18

(3) 18 × 6 + 7 ÷ 5 – 2 = 16

(4) 18 ÷ 6 × 7 + 5 – 2 = 22


2. If ‘–’ stands for division, ‘+’ for multiplication, ‘÷’ for subtraction and ‘×’ for addition, which one of the following equations is correct?

(1) 18 ÷ 3 × 2 + 8 – 6 = 10

(2) 18 – 3 + 2 × 8 ÷ 6 = 14

(3) 18 – 3 ÷ 2 × 8 + 6 = 17

(4) 18 × 3 + 2 ÷ 8 – 6 = 15


3. In an imaginary mathe-matical operation ‘+’ means multiplication, ‘×’ means subtraction, ‘÷’ means addition and ‘–’ means division.

All other rules in mathematical operation are the same as in the existing system. Which one of the following gives the result of

175 – 25 ÷ 5 + 20 × 3 + 10 ?

(1) 160 (2) 2370

(3) 77 (4) 240


4. If ‘–’ stands for division, ‘+’ for multiplication, ‘÷’ for subtraction and ‘×’ for addition, which one of the following equations is correct?

(1) 6 ÷ 20 × 12 + 7 – 1 = 70

(2) 6 + 20 – 12 ÷ 7 × 1= 62

(3) 6 – 20 ÷ 12 × 7 + 1 = 57

(4) 6 + 20 – 12 ÷ 7 – 1 = 38


5. If ‘+’ means ‘–’, ‘–’ means ‘×’, ‘×’ means ‘÷’ and ‘÷’ means ‘+’ then

2 ÷ 6 × 6 ÷ 2 = ?

(1) 1 (2) 0

(3) 10 (4) 5


6. If ‘+’ stands for Multiplication, ‘×’ stands for Division, ‘–’ stands for Addition and ‘÷’ stands for Subtraction, what would the following equation stand for?

20 – 8 × 4 ÷ 3 + 2 = ?

(1) 41 (2) 19

(3) 16 (4) 18


7. If ‘×’ means ‘–’, ‘–’ means ‘÷’, ‘+’, means ‘×’ and ‘÷’ means ‘+’, then what will be the value of the following expression ?

16 × 8 ÷ 4 – 3 + 9 = ?

(1) 10 (2) 19

(3) 20 (4) 9


8. If ‘+’ means ‘minus’, ‘–’ means ‘multiplication’, ‘÷’ means ‘plus’, and ‘×’ means ‘division’,

15 – 3 + 10 × 5 ÷ 5 = ?

(1) 52 (2) 48

(3) 22 (4) 5


9. If ‘–’ stands for division, ‘÷’ stands for multiplication, ‘+’ stands for subtraction and ‘×’ for addition, then which of the following equation is correct ?

(1) 20 + 8 – 7 ÷ 6 × 4 = 25

(2) 20 – 5 ÷ 4 + 6 × 5 = 15

(3) 20 × 5 – 6 ÷ 7 + 4 = 28

(4) 20 ÷ 4 – 8 × 10 + 6 = 36


10. If × stands for + and ÷ for –, find the value of the following equation.

39 × 23 ÷ 21 × 5

(1) 46 (2) 36

(3) 62 (4) 89


11. If ‘+’ stands for division; ‘÷’ stands for multiplication; ‘×’ stands of subtraction; ‘–’ stands for addition which one of the following is correct ?

(1) 18 ÷ 6 – 7 + 5 × 2 = 20

(2) 18 + 6 ÷ 7 × 5 – 2 = 18

(3) 18 × 6 + 7 ÷ 5 – 2 = 16

(4) 18 ÷ 6 × 7 + 5 – 2 = 22


12. If + stands for ‘division’, × stands for ‘addition’, – stands for ‘multiplication’ and ÷ stands for ‘subtraction’, then which of the following equations is correct ?

(1) 36 × 6 + 7 ÷ 2 – 6 = 20

(2) 36 + 6 – 3 × 5 ÷ 3 = 24

(3) 36 ÷ 6 + 3 × 5 – 3 = 45

(4) 36 – 6 + 3 × 5 ÷ 3 = 74


14. In the following question, you have to identify the correct response from the given premises stated according to following symbols.

If + means ÷, – means ×, ÷ means + and × means –, then

63 × 24 + 8 ÷ 4 + 2 – 3 = ?

(1) 54 (2) 66

(3) 186 (4) 48


15. The following equation becomes mathematically correct when you interchange either the sign or the numbers as indicated in the question. Find the correct alternative. Given equation :

(16 – 4) × 6 ÷ 2 + 8 = 30

(1) 4 and 2 (2) ÷ and –

(3) 16 and 6 (4) – and +


16. If ‘–’ stands for division ‘+’ stands for subtraction, ‘÷’ stands for multiplication, ‘×’ stands for addition, then which one of the following equations is correct?

(1) 70 – 2 + 4 ÷ 5 × 6 = 44

(2) 70 – 2 + 4 ÷ 5 × 6 = 21

(3) 70 – 2 + 4 ÷ 5 × 6 = 341

(4) 70 – 2 + 4 ÷ 5 × 6 = 36


17. If – stands for division, + for multiplication, ÷ for subtraction and × for addition, then which one of the following equations is correct ?

(1) 19 + 5 – 4 × 2 ÷ 4 = 11

(2) 19 × 5 – 4 ÷ 2 + 4 = 16

(3) 19 ÷ 5 + 4 – 2 × 4 = 13

(4) 19 ÷ 5 + 4 + 2 ÷ 4 = 20


18. If ‘–’ stands for ‘÷’ ‘+’stands for ‘×’ , ‘÷’ for ‘–’ and ‘×’ for ‘+’, which one of the following equations in correct?

(1) 30 – 6 + 5 × 4 ÷ 2 = 27

(2) 30 + 6 – 5 ÷ 4 × 2 = 30

(3) 30 × 6 ÷ 5 – 4 + 2 = 32

(4) 30 ÷ 6 × 5 + 4 – 2 = 40


19. If ‘×’ means ‘addition’ ‘–’ means ‘division’, ‘÷’ means ‘subtraction’ and ‘+’ means ‘multiplication’, then which of the following equations is correct ?

(1) 16 + 5 – 10 × 4 ÷ 3 = 9

(2) 16 – 5 × 10 ÷ 4 + 3 = 12

(3) 16 + 5 ÷ 10 × 4 – 3 = 9

(4) 16 × 5 ÷ 10 ÷ 4 – 3 = 19


20. If ‘–’ stands for division, ‘+’ for multiplication, ‘÷’ for subtraction and ‘×’ for addition, which one of the following equations is correct?

(1) 24 ÷ 8 – 4 + 2 × 3 = 16

(2) 24 – 8 + 4 × 2 ÷ 3 = 12

(3) 24 × 8 – 4 ÷ 2 + 3 = 17

(4) 24 + 8 – 4 × 2 ÷ 3 = 47


22. If + means –, – means ×, ÷ means +, × means ÷, find the value of

15 × 3 ÷ 4 – 6 + 7 ?

(1) 22 (2) 25

(3) 9 (4) 175/3


23. If × stands for –, ÷ stands for +, + stands for ×, find the value of following equation:

(16 × 5) ÷ 5 + 3 = ?

(1) 62 (2) 10

(3) 2 (4) 26


24. If ‘÷’ stands for addition, ‘–’ stands for multiplication, ‘×’ stands for subtraction and ‘+’ stands for division, which of the responses does not hold good?

(1) 10 × 4 = 06 (2) 10 – 4 = 40

(3) 10 + 5 = 50 (4) 10 – 5 = 15


25. If ‘×’ stands for ‘+’, ‘÷’ for ‘–’, ‘–’ for ‘×’ and ‘+’ for ‘÷’, find the value of the following equation :

54 ÷ 16 – 3 × 6 + 2 = ?

(1) 9 (2) 12

(3) 8 (4) 15


26. If ‘+’ stands for ‘subtraction’ and ‘÷’ stands for ‘addition’ and ‘–’ stands for ‘multiplication’ and ‘×’ stands for division, then which of the following equations is correct?

(1) 56 + 12 × 34 - 12 = 102

(2) 8 ÷ 44 – 5 + 25 = 203

(3) 112 × 44 – 12 + 10 = 46

(4) 9 ÷ 64 – 2 × 6 = 54


27. If ‘–’ stands for division, ‘+’ stands for multiplication, ‘÷’ stands for subtraction and ‘×’ stands for addition, then which one of the equation is correct?

(1) 30 + 5 - 12 ÷ 8 × 12 = 70

(2) 30 – 5 + 12÷ 8 × 12 = 76

(3) 30 × 5 – 12 + 8 ÷ 12 = 60

(4) 30 ÷ 5 × 12 + 8 – 12 = 24


28. If ‘+’ stands for multiplication, ‘×’ stands for division, ‘–’ stands for addition and ‘÷’ stands for subtraction, what is the answer for the following equation?

20 – 5 ÷ 18 × (3 + 2) = ?

(1) 20 (2) 18

(3) 108 (4) 22


29. If ‘×’ stands for minus, ‘+’ stands for multiplication, ‘–’ stands for plus, then which one of the following is correct?

6 + (3 × 1) + 5 = ?

(1) 58 (2) 64

(3) 60 (4) 12


30. If ‘+’ means ‘÷’, ‘÷’ means ‘–’, ‘–’ means ‘×’, ‘×’ means ‘+’, then

12 + 6 ÷ 3 – 2 × 8 = ?

(1) – 2 (2) 4

(3) 2 (4) 8


31. If ‘+’ stands for ’×’, ‘–’ for ‘÷’ ‘×’ for ‘–’ and ‘÷’ for ‘+’, then find the value of the following equation

26 + 74 – 4 × 5 ÷ 2 = ?

(1) 220 (2) 376

(3) 478 (4) 488


32. If ‘+’ stands for subtraction, ‘÷’ stands for addition, ‘–’ stands for multiplication and ‘×’ stands for division, then which one of the following equations is correct?

(1) 46 – 10 + 10 × 5 = 92

(2) 265 + 11 – 2 × 14 = 22

(3) 66 × 3 – 11 + 12 = 230

(4) 2 – 14 × 4 ÷ 11 = 16


33. In the following question, you have to identify the correct response from the given premises stated according to following symbols.

If + denotes –, – denotes = , = denotes + , ÷ denotes >, × denotes <, how do you solve the following problem?

8 + 4 – ?

(1) 4 (2) 32

(3) 12 (4) 2


34. If ‘–’ means addition, ‘+’ means subtraction, ‘×’ means division and ‘÷’ means multiplication, then

7 – 10 × 5 ÷ 6 + 4 = ?

(1) 3 (2) 12

(3) 15 (4) 9


35. If ‘÷’ means ‘×’, ‘–’ means ‘+’, ‘×’ means ‘–’, ‘+’ means ‘÷’, then what will be the value of the following?

20 + 4 ×6 – 5 ÷ 7

(1) 28 (2) 32

(3) 34 (4) 36


36. If ‘+’ means ×, ‘–’ means +, ‘×’ means ‘÷’ and ‘÷’ means –, then 10 + 5 × 10 ÷ 2 – 5 has a value of

(1) 35 (2) 45

(3) 30 (4) 8


37. If ‘+’ stands for division, ‘÷’ stands for multiplication, multiplication for addition; which one of the following equations is correct ?

(1) 10 ÷ 5 + 4 = 6

(2) 10 – 4 + 2 = 6

(3) 10 + 2 – 5 = 6

(4) 10 + 2 × 1 = 6


38. If ‘+’ stands for ‘÷’, ‘×’ stands ‘+’, ‘–’ stands for ‘×’, and ‘÷’ stands for ‘–’, then which of the following statements is correct ?

(1) 36 × 6 + 7 ÷ 2 – 6 = 20

(2) 36 ÷ 6 + 3 × 5 – 3 = 45

(3) 36 + 6 – 3 × 5 ÷ 3 = 24

(4) 36 – 6 + 3 × 5 ÷ 3 = 74


39. Identify the correct response from the given premises stated according to following symbols.

If ‘–’ stands for division

‘+’ stands for multiplication.

‘÷’ stands for subtraction

‘×’ stands for addition

Which one of the equations is correct ?

(1) 18 +14 – 24 × 12 ÷ 16 = 12

(2) 16 ×14 – 24 ÷ 18 + 12 = –24

(3) 24 – 12 +12 ÷ 16 × 18 = 26

(4) 18 ÷ 16 +12 × 18 ÷ 12 = 24


40. If ‘×’ means ‘–’ , ‘–’ means ‘×’, ‘+’ means ‘÷’ and ‘÷’ means ‘+’, then

(15– 10) ÷ (130 + 10) × 50 = ?

(1) 1800 (2) 113

(3) 2000 (4) 123


41. If ‘+’ means ‘÷’, ‘–’ means ‘×’, ‘÷’ means ‘+’ and ‘×’ means ‘–’, then

36 × 12 + 4 ÷ 6 + 2 – 3 = ?

(1) 42 (2) 18

(3) 40 (4) 2


42. If T means ‘×’, U means ‘–’, V means ‘÷’ and W means ‘+’, then what will be the value of the following expression :

(50 V 2) W (28 T 4)

(1) 142 (2) 158

(3) 137 (4) 163


43. If – stands for ÷, + stands for ×, ÷ stands for – and × stands for + find out which one is correct.

(1) 49 × 7 + 3 ÷ 5 – 8 = 16

(2) 49 ÷ 7 × 3 + 5 – 8 = 26

(3) 49 + 7 – 3 × 5 ÷ 8 = 20

(4) 49 – 7 + 3 ÷ 5 × 8 = 24


44. If ‘+’ means ‘×’, ‘–’ means ‘÷’, ‘×’ means ‘+’ and ‘÷’ means ‘–’ then

25 × 5 – 3 ÷ 2 + 5 = ?

(1) 20 (2) 50

(3) 30 (4) 40


45. If ‘–’ stands for addition, ‘+’ for multiplication, ‘÷’ for subtraction and ‘×’ for division, which one of the following equation is wrong ?

(1) 5 – 2 +12 × 6 ÷ 2 = 27

(2) 5 + 2 – 12 ÷ 6 × 2 = 13

(3) 5 + 2 – 12 × 6 ÷ 2 = 10

(4) 5 ÷ 2 + 12 × 6 – 2 = 3


46. If × stands for –, + means ×, ÷ means + and – means ÷, then what is the value of the given expression ?

175 – 25 ÷ 5 + 20 × 3 + 10 = ?

(1) 77 (2) 160

(3) 240 (4) 2370


47. If ‘+’ means ‘÷’; ‘÷’ means ‘–’; ‘–’ means ‘×’; ‘×’ means ‘+’, then

8 + 2 ÷ 3 – 4 × 6 = ?

(1) – l2 (2) – 2

(3) – 10 (4) –15


48. If ‘÷’ means ‘–’, ‘–’ means ‘×’, ‘×’ means ‘+’ and ‘+’ means ‘÷’ then

20 × 60 ÷ 40 – 20 + 10 = ?

(1) 80 (2) 60

(3) 40 (4) 0


49. If ‘+’ means ‘÷’, ‘×’ means ‘+’, ‘–’, means ‘×’ and ‘÷’ means ‘–’, then which of the following equations is correct ?

(1) 36 × 6 + 3 – 2 < 20

(2) 36 × 6 + 3 × 2 > 20

(3) 36 + 6 × 3 + 2 = 20

(4) 36 + 6 – 3 × 2 = 20


50. If – stands for addition, ÷ for multiplication, × for substraction, and + for division, then which of the following is correct ?

(1) 25 – 15 + 5 ÷ 4 × 16 = 21

(2) 25 + 11 – 4 ÷ 10 × 6 = 20

(3) 25 × 12 – 14 ÷ 4 + 6 = 16

(4) 25 – 12 + 14 ÷ 2 × 4 = 15


51. Which of the following interchange of signs would make the given equation correct ?

5 + 3 × 8 – 12 ÷ 4 = 3

(1) – and ÷ (2) + and ×

(3) + and ÷ (4) + and –


52. Put the correct mathematical signs in the following equation from the given alternatives.

33 ? 11 ? 3 ? 6 ? = 115

(1) –, ×, + (2) +, –, ×

(3) ×, ÷, – (4) ÷, ×, ×


53. If ‘×’ means ‘+’, ÷ means ‘–’, + means ‘÷’ and ‘–’ means ‘×’ then what should be the value of the given equation?

14 × 4 ÷ 70 + 10 – 2 = ?

(1) 33 (2) 15

(3) 30 (4) 4


54. If + means ÷, – means ×, × means + and ÷ means –, then which of the alternatives is correct ?

(1) 5 × 8 – 5 + 5 ÷ 1 = 12

(2) 55 – 2 + 10 ÷ 1 × 5 = 16

(3) 38 ÷ 10 – 5 + 7 × 8 = 25

(4) 10 – 12 + 2 ÷ 30 × 1 = 10


55. If ‘–’ stands for ‘+’, ‘+’ stands for ‘×’, ‘×’ stands for ‘–’ then which one of the following is not correct ?

(1) 22 + 7 – 3 × 9 = 148

(2) 33 × 5 – 10 + 20 = 228

(3) 7 + 28 – 3 × 52 = 127

(4) 44 – 9 + 6 × 11 = 87


56. If ‘+’ stands for ‘division’; ‘×’ stands for ‘addition’; ‘–’ stands for ‘multiplication’; ‘÷’ stands for ‘subtraction’, which of the following equations is correct?

(1) 5 – 3 + 2 × 4 ÷ 8 = 2

(2) 5 × 3 + 2 – 4 × 8 = 19

(3) 5 ÷ 3 × 2 – 4 + 8 = 8

(4) 5 + 3 × 2 ÷ 4 – 8 = 4


57. If ‘+’ means ‘ ̧’; ‘–’ means ‘+’; ‘×’ means ‘–’ and ‘ ̧’ means ‘×’, then,

8  ̧ 4 – 6 + 3 × 4 = ?

(1) 4 (2) 14

(3) 28 (4) 30


58. If ‘+’ means ‘–’; ‘–’ means ‘×’; ‘×’ means ‘ ̧’ and ‘ ̧’ means ‘+’, then

25 × 5  ̧ 30 + 8 – 2 = ?

(1) 54 (2) 15

(3) 18 (4) 19


59. If ‘–’ stands for addition, ‘+’ stands for subtraction, ‘ ̧’ stands for multiplication and ‘×’ stands for division, then which one of the following equation is correct ?

(1) 50 × 5 ÷ 2 – 30 + 25 = 25

(2) 50 – 30 + 5 ÷ 2 × 30 = 25

(3) 40 + 35 × 2 – 50 ÷ 30 = 95

(4) 30 × 2 – 25 + 50 ÷ 5 = 100


60. If + stands for division; × stands for addition; – stands for multiplication; ÷ stands for subtraction, which of the following is correct ?

(1) 15 ÷ 5 × 2 – 6 + 3 = 28

(2) 15 × 5 + 2 – 6 ÷ 3 = 56.5

(3) 15 + 5 – 2 ÷ 6 × 3 = 3

(4) 15 – 5 + 2 × 6 ÷ 3 = 41


61. If ‘–’ stands for ‘division’, ‘+’ stands for ‘multiplication’, ‘÷’ stands for ‘subtraction’, ‘×’ stands for ‘addition’, then which one of the following equations is correct ?

(1) 36 × 4 – 12 + 5 ÷ 3 = 420

(2) 52 ÷ 4 + 5 × 8 – 2 = 36

(3) 36 – 12 × 6 ÷ 3 + 4 = 60

(4) 43 × 7 ÷ 5 + 4 – 8 = 25


62. If a represents ÷, b represents +, c represents – and d represents × then

24 a 6 d 4 b 9 c 8 = ?

(1) 20 (2) 6

(3) 17 (4) 19


63. If × means +, + means ÷, – means × and ÷ means –, then

 6× 4 – 5 + 2 ÷ 1 = ?

(1) 11 (2) 15

(3) 10 (4) 12


64. If, + stands for division; × stands for addition; – stands for multipli- cation; ÷ stands for subtraction, which of the following is correct?

(a) 46 × 6 ÷ 4 – 5 + 3 = 74

(b) 46 – 6 + 4 × 5 ÷ 3 = 71

(c) 46 ÷ 6 × 4 – 5 + 3 = 75.5

(d) 46 × 6 – 4 + 5 ÷ 3 = 70.1

(1) c (2) d

(3) b (4) a


65. If + = ×, – = ÷, × = +, ÷ = –, then which is the correct equation out of the following?

(1) 18 – 6 × 7 ÷ 2 + 8 = 63

(2) 18 ÷ 6 + 4 – 2 ÷ 3 = 22

(3) 18 + 6 – 4 × 2 ÷ 3 = 26

(4) 18 × 6 – 4 + 7 × 8 = 47


66. If ‘+’ means ‘×’, ‘–’ means ‘÷’, ‘×’ means ‘–’ and ‘÷’ means ‘+’, then what will be the value of 

16 ÷ 64 – 8 × 4 + 2?

(1) 18 (2) 24

(3) 16 (4) 12


67. If + stands for * ; – stands for #; × stands for @ and ÷ stands for %, then which of the following statements is correct?

(1) 256% 16 @ 5 # 28 = 52

(2) 256 # 16 % 5 # 28 = 120

(3) 256 @ 5 % 16 * 28 = 408

(4) 256 # 16 @ 5 % 28 = 80


68. If ÷ stands for ×, × stands for –, – stands for + and + stands for ÷, then

48 + 6 – 12 ÷ 2 + 10 = ?

(Do chronologically and not according to BODMAS rule)

(1) 9 (2) 14

(3) 16 (4) 4


69. Select the set of symbols which can be fitted correctly in the equation.

5 ___ 3 ___8___4__2 = 21

(1) +, ×, +, ÷ (2) ×, +, –, ÷

(3) –, ×, +, ÷ (4) +, ×, –, ÷


70. If a means +, b means ×, c means ÷, d means –, then 

20 a 10 b 45 c5 d 12 = ?

(1) 88 (2) 74

(3) 98 (4) 68


71. If + stands for division; × stands for addition; – stands for multiplication, ÷ stands for subtraction, which of the following is correct?

(1) 25 × 3 – 7 ÷ 8 + 12 = 18

(2) 25 + 3 × 7 – 8 ÷ 12 = 10.89

(3) 25 – 3 ÷ 7 × 8 + 12 = 132

(4) 25 ÷ 3 × 7 – 8 + 12 = 19.3


72. Insert the arithmetical operations in the following numerical figure-

4_3_4 = 48

(1) + + (2) + –

(3) × + (4) × ×


73. If the given interchanges are

made in signs and numbers, which one of the following equation is true?

(Signs : ÷ and +, Numbers : 6 and 5)

(1) 18 + 6 ÷ 5 = 9.6

(2) 26 ÷ 5 + 6 = 6.4

(3) 5 ÷ 6 + 80 = 5.8

(4) 90 + 5 ÷ 6 = 8.6


74. If ‘–’ stands for addition, ‘+’ for multiplication, ‘÷’ for subtraction and ‘×’ for division, which one of the following equations is correct?

(1) 5 + 2 – 12 ÷ 6 × 2 = 13

(2) 5 + 2 – 12 × 6 ÷ 2 = 10

(3) 5 ÷ 2 + 12 × 6 – 2 = 4

(4) 5 – 2 + 12 × 6 ÷ 2 = 27


75. If P denotes ‘÷’, Q denotes ‘×’, R denotes ‘+’ and S denotes ‘–’, then

16Q12P6R5S4 = ?

(1) 31 (2) 32

(3) 33 (4) 30


76. If × stands for ÷, ÷ stands for +, + stands for –, and – stands for ×, then what is the value of 

(30+ 20) – 5(7 ÷ 3) × 25 = ?

(1) 100 (2) 10

(3) 20 (4) 25


77. If + means ÷, ÷ means –, – means ×, × means +, then 

12 –8 × 6 – 4 ÷ 6 + 3 = ?

(1) –112 (2) +118

(3) –33 (4) +92


78. If + means ÷, ÷ means ×, and × means +, then following will be:

64 + 8 × 32 ÷ 4

(1) 128 (2) 160

(3) 136 (4) 144


79. If ‘–’ denotes ‘+’, ‘+’ denotes ‘×’,‘÷’ denotes ‘–’, ‘×’ denotes ‘÷’ then,

27 × 3 ÷ 6 + 9 – 8 = ?

(1) 15 (2) 14.5

(3) 35 (4) 3.5


80. What will be the correct mathematical signs that can be inserted in the following?

4_6_2_4_8 = 16

(1) – × + ÷ (2) ÷ + × –

(3) + ÷ – × (4) × ÷ – +


81. In a certain code 0, 1, 2 ...... 9 is coded as a,b,c........, j then find

baf ÷ bf × d

(1) cb (2) d

(3) df (4) be


82. Which one of the following interchanges of signs would make the given equation correct?

5 + 3 × 8 – 12 ÷ 4 = 3

(1) – and ÷ (2) + and ×

(3) + and ÷ (4) + and –


83. If ‘+’ stands for division; ‘×’ stands for addition; ‘–’ stands for multiplication; ‘÷’ stands for subtraction, then which of the following equations is correct?

(1) 33 × 4 – 5 + 6 ÷ 2 = 26

(2) 33 ÷ 4 × 5 + 6 – 2 = 30

(3) 33 – 4 + 5 ÷ 6 × 2 = 24

(4) 33 – 4 ÷ 5 × 6 + 2 = 130


84. If ‘×’ means addition, ‘–’ means division, ‘÷’ means subtraction and ‘+’ means multiplication, then which of the equations is correct?

(1) 16 × 5 ÷ 10 + 4 – 3 = 19

(2) 16 + 5 ÷ 10 × 4 – 3 = 9

(3) 16 + 5 – 10 × 4 ÷ 3 = 9

(4) 16 – 5 × 10 ÷ 4 + 3 = 12


85. If ‘+’ is ‘×’, ‘–’ is ‘+’, ‘×’ is ‘÷’ and ‘÷’ is ‘–’, then answer the following questions based on this information.

9 – 4 + 2 ÷ 16 × 2

(1) 71 (2) 62

(3) 9 (4) 24


86. Identify the symbols to be inserted to make the expression correct.

(1) × + × (2) = × +

(3) × ÷ = (4) + = ×


87. Study the following statements and answer the questions accordingly.

‘+’ stands for division

‘÷’ stands for multiplication

‘×’ stands for addition 

Which one of the following is correct?

(1) 30 × 40 + 8 – 70 ÷ 40 = 180

(2) 30 + 40 ÷ 8 × 70 – 40 = 340

(3) 30 – 40 × 8 ÷ 70 + 40 = 180

(4) 30 + 40 + 8 × 70 – 40 = 340


88. If ‘×’ means ‘addition’, ‘–’ means ‘division’, ‘/’ means ‘subtraction’ and ‘+’ means ‘multiplication’, then which of the equation is correct?

(1) 25 + 10 – 5/10 × 3 = 43

(2) 25 – 10 × 5 + 10/3 = 72

(3) 25 × 10/5 + 10 – 3 = 12

(4) 25/10 + 5 × 10/3 = 18


89. If ‘+’ stands for multiplication, ‘–’ stands for addition, ‘×’ stands for division, then what is the value of

128 + 9 – 16 × 4 = ?

(1) 73 (2) 256

(3) 1156 (4) 1352


90. If ‘+’ stands for division, ^÷* stands for multiplication, ^×* stands for subtraction and ‘–’ stands for addition, which one of the following expressions is correct ?

(1) 18 × 6 + 7 ÷ 5 – 2 = 16

(2) 18 ÷ 6 × 7 + 5 – 2 = 22

(3) 18 ÷ 6 – 7 + 5 × 2 = 20

(4) 18 + 6 ÷ 7 × 5 – 2 = 18


91. If ‘+’ stands for multiplication, ‘–’ stands for division, ‘×’ stands for addition, ‘÷’ stands for subtraction, then which one of the following equations is correct ?

(1) 12 × 5 + 4 – 5 ÷ 4 = 20

(2) 12 ÷ 5 + 4 – 5 × 4 = 18

(3) 12 + 5 – 4 × 5 ÷ 4 = 16

(4) 12 ÷ 5 – 4 × 5 + 4 = 22


92. If ÷ means +, + means ×, × means – and – means ÷, then what is the value of :

[(1440 – 36 × 16) + 15] + 5 ÷ (144 – 12) + 25 =?

(1) 1500 (2) 2100

(3) 1200 (4) 4800


93. If + means ×, – means +, × means ÷, ÷ means –, then what is the value of

50 + 10 – 50 × 10 ÷ 125 ?

(1) 380 (2) 56

(3) 180 (4) –125


94. If ‘×’ means ‘–’, ‘–’ ‘means’ ‘÷’, ‘+’ means ‘×’ and ‘÷’ means ‘+’, then what will be the value of the following expression?

16 × 8 ÷ 4 – 3 + 9

(1) 10 (2) 19

(3) 20 (4) 9


95. If ‘–’ stands for division, ‘+’ for multiplication, ‘÷’ for subtraction and ‘×’ for addition, which one of the following equations is correct ?

(1) 18 ÷ 3 × 2 + 8 – 6 = 10

(2) 18 – 3 + 2 × 8 ÷ 6 = 14

(3) 18 – 3 ÷ 2 × 8 + 6 = 17

(4) 18 × 3 + 2 ÷ 8 – 6 = 15


96. If ‘+’ means ‘×’, ‘–’ means ‘÷’, ‘×’ means ‘–’ and ‘÷’ means ‘+’, then find the value of the following equation.

6 + 64 – 8 ÷ 45 × 8

(1) 85 (2) 76

(3) 87 (4) 75


97. If ‘+’ means ‘–’ and ‘–’ means ‘×’, ‘×’ means ‘÷’ and ‘÷’ means ‘+’ then

2 ÷ 6 × 6 ÷ 2 = ?

(1) 1 (2) 0

(3) 10 (4) 5


98. If + means ÷, ÷ means –, – means × and × means +, what will be the value of the following expression:

8 + 4 ÷ 3 × 5 – 9 = ?

(1) 44 (2) 53

(3) 62 (4) 64


99. If × means –, + means ×, ÷ means + and – means ÷, then what is the value of the given expression?

175 – 25 ÷ 5 + 2 × 3 + 10 = ?

(1) 77 (2) 160

(3) 240 (4) 2370


100. If – stands for division, + for multiplication, ÷ for subtraction and × for addition, then which of the following equations is correct ?

(1) 20 – 4 + 6 ÷ 9 × 4 = 25

(2) 20 + 6 – 4 × 9 ÷ 6 = 32

(3) 20 ÷ 9 × 9 – 4 + 6 = 33

(4) 20 × 4 – 6 – 4 + 9 = 20


101. In a certain code language, ‘@’ represents ‘+’, ‘Å’ represents ‘–’, ‘a’ represents ‘÷’ and ‘q’ represents ‘×’. Find out the answer to the following question :

8900a100 5q4 121a11 = ?

(1) 58 (2) 62

(3) 158 (4) 205


102. If (–) stands for division, (+) stands for multiplication, (÷) stands for subtraction and (×) stands for addition, which one of the following equations is correct?

(1) 100 + 5 – 10 × 250 ÷ 200 =100

(2) 200 + 10 – 20 × 200 ÷ 100 =150

(3) 50 × 5 ÷ 10 + 100 – 75 = 50

(4) 300 + 5 – 20 × 200 ÷ 100 =200


103. If ‘–’ means ‘×’, ‘×’ means ‘+’, ‘+’ means ‘÷’ and ‘÷’ means ‘–’, then what will be the value of 40 × 12 + 3 – 6 ÷ 60 = ?

(1) 4 (2) 7

(3) 16 (4) 44


104. If 25 + 5 ÷ 2 = 40, and 35 + 5 ÷2 = 60, then 45 + 5 ÷ 2 = ?

(1) 90 (2) 70

(3) 60 (4) 80


105. If ‘+’ means ‘÷’, ‘÷’ means ‘–’, ‘–’ means ‘×’ and ‘×’ means ‘+’, then

48 + 16 × 4 – 2 ÷ 8 = ?

(1) 3 (2) 6

(3) 112 (4) –28


106. If ‘ + ’ means minus , ‘–’ means multiplication, ‘÷’ means plus, and ‘ב means division, then

15 – 3 + 10 × 5 ÷ 5 = ?

(1) 52 (2) 48

(3) 22 (4) 5


108. If ‘+’ means ‘×’, ‘–’ means ‘÷’, ‘×’ means ‘–’ and ‘÷’ means ‘+’, then what will be the value of 16 ÷ 4 ×

10 – 5 + 8 = ?

(1) 12 (2) 8

(3) 4 (4) 2


110. If ‘+’ means ‘/’, ‘/’ means ‘–’, ‘–’ means ‘×’, ‘×’ means ‘+’, then

24 + 8/26 × 6 = ?

(1) –10 (2) –3

(3) 12 (4) 21


111. If ‘+’ means ‘divided by’, ‘–’ means ‘multiplied by’, ‘×’ means ‘minus’ and ‘÷’ means ‘plus’, which of the following will be the value of the expression :

16 ÷ 8 – 4 + 2 × 4 = ?

(1) 16 (2) 28

(3) 32 (4) 44


113. Which of the following interchanges of numbers would make the given equation correct?

8 × 20 ÷ 3 + 9 – 5 = 38

(1) (8, 9) (2) (3, 5)

(3) (3, 9) (4) (3, 8)


114. If ‘+’ stands for multiplication, ‘–’ stands for addition, ‘×’ stands for division and ‘÷’ stands for subtraction, then which one of the following equations is correct ?

(1) 9 + 8 – 4 × 2 ÷ 18 = 56

(2) 9 × 8 + 4 ÷2 – 18 = 26

(3) 9 × 8 ÷ 4 + 2 – 18 = 200

(4) 9 – 8 × 4 + 2 ÷ 18 = 203


115. If – means ÷ , + means ×, ÷ means –, × means +, then which of the following equations is correct?

(1) 43 × 7 ÷ 5 + 4 – 8 = 25

(2) 48 ÷ 5 + 8 × 10 – 2 = 03

(3) 36 × 4 – 12 + 5 ÷ 3 = 420

(4) 42 + 5 ÷ 6 × 8 – 3 = 28


116. If ‘P’ means ‘+’, ‘Q’ means ‘×’, ‘R’ means ‘÷’, and ‘S’ means ‘–’, then 44Q9R12S6Q4P16 = ?

(1) 25 (2) 36

(3) 112 (4) 12


117. If ‘ + ’ means minus , ‘–’ means multiplication, ‘÷’ means plus, and ‘ב means division, then

15 – 3 + 10 × 5 ÷ 5 = ?

(1) 52 (2) 48

(3) 22 (4) 5


118. If ‘+’ means ‘×’, ‘–’ means ‘+’, ‘×’ means ‘÷’ and ‘÷’ means ‘–’, then

12 × 2 + 6 – 7 ÷ 5 = ?

(1) 38 (2) 39

(3) 40 (4) 37


Answer Key

1. (2) 2. (2) 3. (3) 4. (1) 5. (4) 6. (3) 7. (3) 8. (2) 9. (2) 10. (1) 11. (2) 12. (4) 13. (1) 14. (2) 15. (2) 16. (2) 17. (3) 18. (1) 19. (1) 20. (4) 21. (2) 22. (1) 23. (4) 24. (3) 25. (1) 26. (2) 27. (2) 28. (4) 29. (3) 30. (2) 31. (3) 32. (3) 33. (1) 34. (3) 35. (3) 36. (4) 37. (4) 38. (4) 39. (3) 40. (2) 41. (1) 42. (3) 43. (4) 44. (*) 45. (*) 46. (1) 47. (2) 48. (4) 49. (*) 50. (1) 51. (1) 52. (3) 53. (4) 54. (1) 55. (3) 56. (2) 57. (4) 58. (4) 59. (1) 60. (3) 61. (2) 62. (3) 63. (2) 64. (3) 65. (3) 66. (3) 67. (1) 68. (4) 69. (2) 70. (3) 71. (*) 72. (4) 73. (1) 74. (2) 75. (3) 76. (3) 77. (2) 78. (3) 79. (*) 80. (4) 81. (1) 82. (1) 83. (4) 84. (3) 85. (3) 86. (3) 87. (*) 88. (1) 89. (3) 90. (4) 91. (3) 92. (2) 93. (1) 94. (3) 95. (2) 96. (1) 97. (4) 98. (1) 99. (*) 100. (1) 101. (1) 102. (1) 103. (1) 104. (4) 105. (1) 106. (2) 107. (4) 108. (3) 109. (4) 110. (2) 111. (2) 112. (2) 113. (2) 114. (1) 115.115.(*) 116. (1) 117. (2) 118. (1)


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