RRB Junior Engineer Stage 1 Model Papers 6

Question : 19 of 99

Marks: +1, -0

Cost price of 100 books is equal to the selling price of 60 books. The gain or loss percentage will be :

Solution:

Now according to question.

100 × CP = 60 × SP

⇒ {SP}/{CP}=100/60=5/3

Both sides substract 1

⇒{SP-CP}/{CP}={5-3}/3=2/3

Percentage loss

=2/3×100= 66 2/3%

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