Question

If the cost of a book worth Rs. 50 is increased by Rs. 25 more, then how much is the rate of increase?
1. 10
2. 25
3. 20
4. 50

Answer 1

Correct Answer - Option 4 : 50

Given:

Cost of book = Rs. 50

Increment = Rs. 25

Calculation:

Rate of increase = (25/50) × 100%

⇒ 50%

∴ The rate of increase is 50%