Which two numbers should be interchanged to make the given equation correct?
(12 ÷ 3) × 18 - 2 × 4 + 42 ÷ 6 = 69
(Note: Interchange should be done of entire number and not individual digits of a given number)
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 2 and 6.
Given equation: (12 ÷ 3) × 18 - 2 × 4 + 42 ÷ 6 = 69
On interchanging the numbers:
(12 ÷ 3) × 18 - 6 × 4 + 42 ÷ 2 = 69
72 - 24 + 21 = 69
93 - 24 = 69
69 = 69