In each of the following questions, if the given interchanges are made in signs and numbers, which one of the four equations would be correct? Given interchanges: Signs – and × and numbers 3 and 6

Question

In each of the following questions, if the given interchanges are made in signs and numbers, which one of the four equations would be correct?

Given interchanges: Signs – and × and numbers 3 and 6

A. 6 - 3 × 2 = 10

B. 3 × 6 - 4 = 33

C. 6 × 3 - 4 = 15

D. 3 - 6 × 8 = 10

Answer: D

Solution:

On interchanging – and × and 3 and 6 in (D),

we get the equation as :

6 × 3 – 8 = 10

=> 18 – 8 = 10

=> 10 = 10, which is true.