RRB Group D 23-Oct-2018 Shift 3 Solved Paper

Question : 71 of 100

Marks: +1, -0

A wholesaler sells books to a retailer at

10 \%

profit. The retailer sells these books to customers at a profit of

8 \%

. If the customer pays

\Rs.270

for a book, then find the cost of the book to the retailer.

Solution:

C.P. of book is

\Rs.x

x×{110}/{100}×{108}/{100}=270

{x}={270 ×100 ×100}/{110 ×108}=227

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