Percentage Practice Test 2 with solutions

Question : 33 of 40

Marks: +1, -0

Library A has 40% more books than Library B, while Library B has 20% less books than Library C. If the total number of books in all the three libraries is 43,800, then how many books does Library B have?

1,000
1,900
12,000
1,500
1,200

Validate

Solution:

Let Library C has 100 numbers of books.
Library B has 80 books.
Number of books in Library
A

= 80 +40/100×80 =112

So, the total shares in ratio = 112 : 80 : 100
Hence, number of books
Library B

= 80/292 × 43,800 = 12,000

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