Mathematical Operations Aptitude MCQ Questions with Answers Set A

Question - Which option gives the two signs that need to be interchanged to make the given equation correct. 24 - 8 ÷ 5 + 5 × 3 = 13 ?
a) × and +
b) × and ÷
c) ÷ and +
d) ÷ and ?

Answer : D

Question - Which two signs should be interchanged in the following equation to make it correct 12 - 8 + 12 × 9 ÷ 3 = 9 ?
a) + and ÷
b) + and ?
c) - and ÷
d) + and -

Answer : B

Question - If ‘+’ denotes ‘-’ , ‘-’ denotes ‘*’ , ‘*’ denotes ‘/’ and ‘/’ denotes ‘+’, then what will be the numeric value of 60 × 10 /40 + 6 - 5 ?
a) 3
b) 144
c) 16
d) 200

Answer : C

Question - Which two signs should be interchanged to make the given equation correct, 14 + 4 ÷ 5 – 18 × 2 = 25 ?
a) + and ÷
b) + and -
c) × and +
d) × and ÷

Answer : D

Question - If sign ‘+’ is interchanged with ‘ ÷ ? and number ‘2’ is interchanged with ‘6’, which of the following equations would be ?
a) 8 + 6 ÷ 2 = 8
b) 2 + 8 ÷ 6 = 6
c) 2 + 8 ÷ 2 = 8
d) 2 + 6 ÷ 8 = 11

Answer : D

Question - Find out the two signs to be interchanged for making the following equation correct. (1/4) ÷ (1/ 64) - 5 + 45 × 120 = 5 ?
a) × and +
b) ÷ and ?
c) + and ?
d) × and ?

Answer : D

Question - Which two signs should be interchanged to make the following equation correct, 18 + 24 - 6 × 6 ÷ 3 = 39 ?
a) ÷ and +
b) + and -
c) ÷ and -
d) × and +

Answer : C

Question - Which two signs should be interchanged in the following equation to make it correct 5 × 15 ÷ 7 - 20 + 4 = 77 ?
a) ( ÷ and +)
b) (+ and -)
c) (+ and ×)
d) (- and ×)

Answer : A

Question - Which two numbers should be interchanged in the following equation to make it correct, 731 ÷ 13 + 450 – 25 × 43 = 142 ?
a) 13 and 25
b) 450 and 25
c) 13 and 43
d) 731 and 450

Answer : C

Question - Which two signs need to be interchanged to make the following equation correct, 73 – 13 × 42 ÷ 14 + 56 = 56 ?
a) + and ×
b) + and -
c) + and ÷
d) × and -

Answer : B

Question - If the given two numbers are interchanged, which of the following equations will become correct ?
a) 3+5-4 × 2= -1
b) 1+9+3+5= 9
c) 6+5×2-3= 7
d) 3+4-1×5 =2

Answer : C

Question - If + denotes - , - denotes × , × denotes ÷ and ÷ denotes + , then what will be the value of 25 - 2 ÷ 10 × 5 + 2 =?
a) 10
b) 26
c) 58
d) 50

Answer : D

Question - If sign ? × ? is interchanged with ? ÷ ? and number ‘3’ is interchanged with ‘2’, then which of the following equations would be correct ?
a) 3 ÷ 2 × 2+2-3=1
b) 3 × 2 ÷ 2+2-3=3
c) 2 × 3 ÷ 2+2-3=0
d) 2 × 3- 2+2 ÷ 3=0

Answer : B

Question - What will be the value of the following equation if ÷means ' addition', + means ' subtraction', ' -' means 'multiplication' and ' x' means ' division'?/ 54 × 6 ? 7 ÷ 8 + 2 = ?
a) 63
b) 57
c) 69
d) 61

Answer : C

Question - If ' ÷ ' means ? ×' , ' × ' means ‘+’, ‘+’ means ‘-’ and ‘-’ means ' ÷ ' , then what will be the value of the following. 16 × 3 ÷ 5-2 ÷ 4 ?
a) + and ÷
b) – and +
c) ÷ and ×
d) × and +

Answer : B

Question - If the two signs, ‘ × and ÷ ‘ are interchanged, which of the following will be correct ?
a) 14 + 9 ÷ 23 × 3 = 83
b) 14 + 62 × 13 ÷ 31 = 38
c) 11 × 12 ÷ 48 + 6 = 40
d) 63 + 59 ÷ 4 × 8 = 171

Answer : A

Question - From the given alternatives select the numbers that must be interchanged to make the following equation correct. 16 - 6 + 1 2 × 3 ÷ 4 = 18 ?
a) 16 and 3
b) 6 and 3
c) 12 and 4
d) 6 and 4

Answer : D

Question - Which two signs should be interchanged to make the following equation correct, 20 ÷ 20 + 20 - 25 × 25 = 4 ?
a) × and -
b) ÷ and ×
c) ÷ and +
d) ÷ and ×

Answer : B

Question - Which two numbers should be interchanged to make the following equation correct, 8 + 12 ÷ 9 × 6 ? 4 = 12 ÷ 6 × 8 + 9 - 1 ?
a) 12 and 8
b) 6 and 9
c) 6 and 12
d) 8 and 4

Answer : C

Question - Which two numbers need to be interchanged to make the following equation correct, 5 × 8 + 7- 3 = 14 ?
a) 3 and 7
b) 8 and 5
c) 8 and 3
d) 7 and 8

Answer : C

Question - Which two signs should be interchanged to make the following equation correct? 7 × 2 + 5 ? 16 ÷ 4 = 13 ?
a) × and -
b) × and +
c) ÷ and +
d) ÷ and ×

Answer : B

Question - Which two signs should be interchanged to make the following equation correct 4 × 5 ? 24 ÷ 12 + 8 = 14 ?
a) + and ÷
b) ÷ and ×
c) + and -
d) × and +

Answer : C

Question - By interchanging which two numbers, the value obtained after solving the given equation will be ’13’? 7 + 8 ÷ 4 × 3 ?
a) 8 and 3
b) 8 and 4
c) 7 and 3
d) 3 and 4

Answer : A

Question - Which two numbers should be interchanged to make the given equation correct? 4 × 2-8+9 ÷ 3 = 9 ÷ 3+4 × 2-8 ?
a) 3 and 4
b) 3 and 2
c) 8 and 3
d) 8 and 4

Answer : D

Question - By interchanging which two numbers the equation will be correct? 9-2 × 4 ÷ 6=-3 ?
a) 6 and 2
b) 6 and 9
c) 4 and 2
d) 6 and 4

Answer : A

Question - Which two signs need to be interchanged to make the given equation correct? 19+63 ÷ 7-8 × 12=79 ?
a) × and ÷
b) - and ×
c) ÷ and -
d) × and +

Answer : B

Question - If + means ‘ ÷ ’ - means ‘+’, × means ‘-’ and ÷ means ‘ × ’, then what will be the value of the following expression. 18 ÷ 6 – 27 + 3 × 12 =
a) 92
b) 105
c) 95
d) 107

Answer : B

Question - Which option gives the two signs that need to be interchanged to make the given equation correct. 15 ÷ 15 × 10 ? 10 + 5 = 15 ?
a) ÷ and ×
b) + and ?
c) × and ?
d) ÷ and ?

Answer : B

Question - Which two signs should be interchanged in the following equation to make it correct, 8 × 2 + 5 - 16 ÷ 4 = 14 ?
a) × and -
b) × and +
c) ÷ and ×
d) ÷ and +

Answer : B

Question - Which two signs should be interchanged in the following equation to make it correct, 211 x 14 + 627 ÷ 33 - 17 = 520 ?
a) + and ÷
b) + and -
c) x and -
d) × and ÷

Answer : C

Question - Which two signs should be interchanged to make the following equation correct, 10 - 15 × 9 + 6 ÷ 3 = 9 ?
a) - and +
b) ÷ and +
c) + and -
d) × and -

Answer : A

Question - Which two signs should be interchanged in the following equation to make it correct, 24 ÷ 2 + 13 - 54 × 2 = 34 ?
a) + and ×
b) - and ×
c) × and ÷
d) - and ÷

Answer : C

Question - Which of the following sequence of signs will correctly solve the given equation by replacing the question marks, 1105 ? 65 ? 835 ? 25 ? 5 = 727 ?
a) × ,-, +, ÷
b) ÷ ,+,-, ×
c) +,-, × , ÷
d) +, ÷ ,-, ×

Answer : B

Question - If digit 2 is interchanged with digit 1 then what will be the value of the following equation? 9 + 6 ÷ 4 × 21 - 5 = ?
) 22
b) 29
c) 23
d) 24

Answer : A

Question - Which two signs and two numbers should be interchanged in the following equation to make it correct, 8 + 15 - 20 × 10 ÷ 5 = 47 ?
a) × and ÷, 5 and 8
b) + and -, 8 and 15
c) + and ÷, 10 and 20
d) × and -, 15 and 20

Answer : B

Question - Which of the following interchanges of signs and numbers would make the given equation correct, 12 × 18 ÷ 3 – 6 + 4 = 5 ?
a) ÷ and × , 6 and 3
b) ÷ and × , 4 and 3
c) ÷ and + , 3 and 4
d) × and + , 3 and 6

Answer : A

Question - Which two signs should be interchanged to make the given equation correct, 14+4 ÷ 5-18 × 2=25 ?
a) ÷ and +
b) × and +
c) × and -
d) ÷ and ×

Answer : D

Question - Which two signs should be interchanged in the following equation to make it correct, 10 + 18 - 20 × 100 ÷ 5 = 27 ?
a) × and -
b) × and -
c) × and ÷
d) + and ÷

Answer : C

Question - Which two signs should be interchanged in the following equation to make it correct, 12 × 8 ÷ 36 + 3 - 6 = 102 ?
a) × and -
b) × and +
c) ÷ and +
d) ÷ and ×

Answer : D

Question - Which two signs should be interchanged to make the following equation correct, 24 ÷ 12 - 6 × 6 + 2 = 18 ?
a) × and -
b) + and ÷
c) ÷ and +
d) ÷ and ×

Answer : B

Question - Which two signs and two numbers should be interchanged in the following equation to make it correct, 18 + 25 - 10 × 10 ÷ 5 = 203 ?
a) + and - , 18 and 25
b) × and - , 18 and 25
c) × and ÷ , 25 and 5
d) + and ÷ , 18 and 5

Answer : B

Question - Which two signs need to be interchanged to make the following equation correct, 14 × 16 ÷ 8+2-1 = 17 ?
a) + and ÷
b) ÷ and ×
c) + and ×
d) × and +

Answer : C

Question - Which two numbers should be interchanged to make the given equations correct? 6 × 3 - 8 ÷ 2 + 5 = 8 ÷ 2 + 3 × 5-6 ?
a) 6 and 2
b) 8 and 6
c) 5 and 6
d) 3 and 5

Answer : C

Question - Which of the following interchanges of signs and numbers would make the given equation correct? 12 ÷ 4 + 2 -6 × 3 = 3 ÷ 12 + 6 × 2 - 4 ?
a) × and ? , 4 and 6
b) ÷ and + , 6 and 4
c) × and ÷ , 4 and 6
d) ? and + , 6 and 4

Answer : B

Question - Which two symbols should be interchanged to make the following equation correct? 20 + 5 × 3 ÷ 3 ? 1 = 14 ?
a) ÷ and ×
b) × and ?
c) × and +
d) ÷ and +

Answer : D

Question - Which two signs should be interchanged in the following equation to make it correct 9 - 3 + 12 ? 8 ÷ 4 = 11 ?
a) + and -
b) + and ×
c) - and ÷
d) + and ÷

Answer : D

Question - Which two signs should be interchanged in the following equation to make it correct, 12 - 8 + 12 × 9 ÷ 3 = 9 ?
a) + and ÷
b) + and -
c) x and -
d) × and ÷

Answer : A

Question - If ‘A’ denotes ‘ ÷ ’, ‘B’ denotes ‘ × ’, C’ denotes ‘ + ’, and D’ denotes ‘-’, then what will be the value of the following expression, 12 B 12 A 4 C 5 D 1 ?
a) 50
b) 40
c) 39
d) 59

Answer : B

Question - Which two numbers should be interchanged in the following equation to make it correct, 618 + 37 × 12 – 703 ÷ 14 = 767 ?
a) 14 and 37
b) 618 and 14
c) 703 and 12
d) 12 and 37

Answer : A

Question - Which option gives the two signs that need to be interchanged to make the given equation correct, 6 - 20 ÷ 12 × 7 + 1 = 70 ?
a) ÷ and +
b) × and -
c) × and +
d) ÷ and ×

Answer : A

Question - Which of the following interchanges of signs and numbers would make the following equation correct, 18 ? 8 ÷ 12 × 6 + 10 = 12 ?
a) ×, ÷ , 12 and 6
b) +, ? , 8 and 10
c) +, ? , 6 and 8
d) ×, ? , 18 and 6

Answer : C

Question - Which two signs need to be interchanged to make the following equation correct, 7 – 9 × 3 ÷ 9 + 5 = 5 ?
a) – and ×
b) ÷ and ×
c) + and –
d) + and ÷

Answer : C

Question - After interchanging the given two numbers, what will be the value of 6 + 7 × 3 – 8 ÷ 4, 3 and 6 ?
a) 43
b) 41
c) 42
d) 38

Answer : A

Question - Which two signs should be interchanged to make the given equation correct? 9 + 12 ÷ 6 × 8 ? 4 = 14 ?
a) - and ×
b) × and ÷
c) + and -
d) ÷ and ×

Answer : B

Question - Which two numbers should be interchanged to make the given equation correct? 9 + 4 ÷ 2 - 6 × 3 = 4 ÷ 3 × 6 - 9 + 1 ?
a) 6 and 3
b) 4 and 9
c) 4 and 2
d) 6 and 4

Answer : D

Question - If ‘+’ stands for ‘-’, ? ? ? stands for ‘ × ’, ‘ × ’ stands for ‘ ÷ ’ and ‘ ÷ ’ stands for ‘+’, then what will be the value of the following expression. 14 – 3 + 10 × 5 ÷ 5 ?
a) 65
b) 48
c) 45
d) 40

Answer : C

Question - Which of the two signs should be interchanged in the following equation to make the given value correct. 15 + 5 - 10 ? 6 ÷ 12 = 6 ?
a) + and ÷
b) - and ÷
c) + and ?
d) + and -

Answer : D

Question - If ÷ stands for ‘+’, × stands for ÷, ‘+’ stands for ‘-’ and ‘-’ stands for ×, then what will be the value of the following expression, 16 - 4 + 12 × 3 ÷ 5 ?
a) 59
b) 67
c) 65
d) 53

Answer : C

Question - Which two signs should be interchanged in the following equation to make it correct 24 - 12 ÷ 4 + 8 × 2 = 11 ?
a) + and ×
b) - and ÷
c) + and -
d) + and ÷

Answer : C

Question - Which two signs should be interchanged in the following equation make it correct 35 + 7 - 5 × 2 ÷ 25 = 20 ?
a) × and ÷
b) + and -
c) + and ÷
d) × and -

Answer : B

Question - If digit 3 is interchanged with digit 1, then what will be the value of the following equation, 6 + 9 ÷ 1 × 3 - 2 = ?
a) 6
b) 7
c) 8
d) 9

Answer : B

Question - Which of the following interchanges of signs and numbers would make the given equation correct, 18 - 3 ÷ 6 + 24 × 12= 48 ?
a) × and +, 3 and 6
b) ÷ and -, 12 and 6
c) ÷ and × , 3 and 12
d) × and - , 3 and 6

Answer : D

Question - If ' ÷ ' means ? ×' , ' × ' means ‘+’, ‘+’ means ‘-’ and ‘-’ means ' ÷ ' , then what will be the value of the following. 16 × 3 ÷ 5-2 ÷ 4 ?
a) 10
b) 7
c) 9
d) 19

Answer : C

Question - If the two signs, ' + and ÷ ' are interchanged, which of the following equations will be correct ?
a) 16 ÷ 9 + 4 × 8 = 34
b) 16 ÷ 21 + 13 × 26 = 56
c) 11 + 13 × 4 ÷ 2 = 37
d) 13 × 9 + 16 ÷ 2 = 125

Answer : A