Question : Directions: What will come in place of the question mark (?) in the following equation if + and × are interchanged and – and ÷ are interchanged?
20 – 5 ÷ 2 + 4 × 12 = ?
Option 1: 4
Option 2: 8
Option 3: 12
Option 4: 0
Recommended: How to crack SSC CHSL | SSC CHSL exam guide
Don't Miss: Month-wise Current Affairs | Upcoming government exams
Correct Answer: 8
Solution :
Given:
20 - 5 ÷ 2 + 4 +12 = ?
After interchanging + and × and – and ÷, the equation becomes –
= 20 ÷ 5 – 2 × 4 + 12
= 4 – 2 × 4 + 12
= 4 – 2 × 4 + 12
= 4 – 8 + 12
= 16 – 8
= 8
So, the equation is equal to 8. Hence, the second option is correct.
How to crack SSC CHSL
Candidates can download this e-book to give a boost to thier preparation.