Discuss Forum
1. Mr. Bakhtiar works in the procurement department of a library. Under a new purchase policy, he increased the total number of books in the library by 20%. But soon afterwards, as part of the library cleaning process, 10% of the total library book stock is disposed of. What is the net change over the initial number of books in the library ?
- A. increased of 10%
- B. increased of 10%
- C. increased of 10%
- D. increased of 10%
Answer: Option D
Explanation:
±a±b+(ab)/100
=20-10-(20×10)/100
=8%
So, 8% increased
(ans)
Post your comments here: