SSC CHSL 2021 PYQ — Question 100

SSC CHSL - 15 April 2021 - Shift 2 • Reasoning • Q100

Which two signs should be interchanged to make the following equation correct?

18 – 12 ÷ 4 + 8 × 2 = 5

Show answer & explanation

Correct answer: C

Explanation

The correct answer is Option 3 i.e. + and -.

Understanding

Given equation: 18 – 12 ÷ 4 + 8 × 2 = 5

Let us check all the options:

Option 1: - and ÷

The expression becomes:

= 18 ÷ 12 - 4 + 8 × 2

= 13.5 is not equal to 5.

Option 2: ÷ and ×

= 18 – 12 × 4 + 8 ÷ 2 

= -26 is not equal to 5.

Option 3: + and -

= 18 + 12 ÷ 4 - 8 × 2

= 5

As we have found our answer, we need not check the other options.

Hence, option 3 is the correct answer.