Instructions

In the questions below, if the given interchanges are made in signs and numbers, which one of the four answer choices would be correct ?

Question 122

Given interchanges : signs × and + and numbers 4 and 2.

Solution

Here, x <-> + and 4 <-> 2

(A) : 2 + 4 × 5 = 4 x 2 + 5 = 13 = R.H.S.

(B) : 2 + 4 × 6 = 4 x 2 + 6 = 14 $$\neq$$ R.H.S.

(C) : 2 × 4 + 4 = 4 + 2 x 2 = 8 $$\neq$$ R.H.S.

(D) : 2 × 4 + 4 = 4 + 2 x 2 = 8 $$\neq$$ R.H.S.

=> Ans - (A)

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