Which two digits should be interchanged to make the given equation correct?
384 ÷ 16 − 72 + 9 × 10 = 2
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 7 and 9.
Given equation: 384 ÷ 16 − 72 + 9 × 10 = 2
Option 4: 7 and 9
The expression becomes:
⇒ (384 ÷ 16) − 92 + 7 × 10 = 2
⇒ 24 − 92 + (7 × 10) = 2
⇒ 24 − 92 + 70 = 2
⇒ 2 = 2