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3. A book seller bought 45 books. He sold them at the rate of Rs. 20.eac

of Rs. T80’on the whole. Find the cost price of :

Question

3. A book seller bought 45 books. He sold them at the rate of Rs. 20.eac

of Rs. T80’on the whole. Find the cost price of :

(a) 45 books

(b) each book

(c) %

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2021-07-17T11:32:43+00:00
2021-07-17T11:32:43+00:00 1 Answers
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## Answers ( )

Answer:Cost Price of 200 textbooks = 12000 Rs

∴ Cost price of 1 textbook =

200

12000

=60 Rs

Profit = Cost of 24 books =24×60=1440 Rs

∴Profit percentage=

CP

profit×100

=

12000

1440×100

=12%