Profit and Loss Practice Test 6

Question : 3 of 40

Marks: +1, -0

A book was sold at a discount of 10% on the printed price and was purchased at a discount of 20% on the printed price. If the profit in the complete deal was Rs 10, then the printed price of the book was:

Rs 90
Rs 100
Rs 110
Rs 80

Validate

Solution:

\table \Printed \price,\CP ,\SP;x,x-{20×x}/100=4/5x,x-{10×x}/100=9/10x

Printed price of that book

=SP-CP=9/10x-4/5x

10={9x-8x}/10

100 = x

Printed price of the book is equal to Rs 100.

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