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 Increase of 10%

B Increase of 30%

C Decrease of 8%

D none of these

Solution

Correct Answer: Option D

Solution

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