1. Which option gives the two signs that need to be interchanged to make the given equation correct. 24 - 8 ÷ 5 + 5 × 3 = 13 ?

× and +

× and ÷

÷ and +

÷ and ?

Answer: ÷ and ?

Explanation:


2. If + means ‘ ÷ ’ - means ‘+’, × means ‘-’ and ÷ means ‘ × ’, then what will be the value of the following expression. 18 ÷ 6 – 27 + 3 × 12 = ?

92

105

95

107

Answer: 105

Explanation:


3. Which two symbols should be interchanged to make the following equation correct? 20 + 5 × 3 ÷ 3 ? 1 = 14 ?

÷ and ×

× and ?

× and +

÷ and +

Answer: ÷ and +

Explanation:


4. 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 ?

65

48

45

40

Answer: 45

Explanation:


5. Which option gives the two signs that need to be interchanged to make the given equation correct. 15 ÷ 15 × 10 ? 10 + 5 = 15 ?

÷ and ×

+ and ?

× and ?

÷ and ?

Answer: + and ?

Explanation:


6. Which two signs should be interchanged in the following equation to make it correct 12 - 8 + 12 × 9 ÷ 3 = 9 ?

+ and ÷

+ and ?

- and ÷

+ and -

Answer: + and ?

Explanation:


7. Which two signs should be interchanged in the following equation to make it correct. 18 + 6 - 6 ÷ 3 × 3 = 6 ?

+ and -

+ and ÷

- and ÷

+ and ×

Answer: + and ÷

Explanation:


8. Which two signs should be interchanged in the following equation to make it correct. 12 - 6 ÷ 12 × 6 + 6 = 9 ?

/ and ×

+ and ÷

– and +

× and +

Answer: – and +

Explanation:


9. Which of the two signs should be interchanged in the following equation to make the given value correct. 15 + 5 - 10 ? 6 ÷ 12 = 6 ?

+ and ÷

- and ÷

+ and ?

+ and -

Answer: - and ÷

Explanation:


10. Which two signs should be interchanged in the following equation to make it correct 9 - 3 + 12 ? 8 ÷ 4 = 11 ?

+ and -

+ and ×

- and ÷

+ and ÷

Answer: + and ÷

Explanation: