Which two numbers (not digits) should be interchanged to make the given equation correct?
(18 × 2) – 24 + 10 × 160 ÷ 16 + (10 × 4) = 170
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 24 and 18.
Given equation: (18 × 2) – 24 + 10 × 160 ÷ 16 + (10 × 4) = 170
Option 1: 24 and 18
After interchanging the expression becomes:
(24 × 2) – 18 + 10 × 160 ÷ 16 + (10 × 4) = 170
48 – 18 + 10 × 160 ÷ 16 + 40 = 170
48 – 18 + 10 × 10 + 40= 170
48 – 18 + 100 + 40 = 170
170 = 170