Question

There is a loss of Rs.50 by selling a book at Rs.250. find its cost price and the loss per cent​

Answer 1

Answer:

Let  the percentage of profit or loss on the article be x.

C.P. at x% loss when S.P. is Rs. 50 = Rs. (100−x)50×100

C.P. at x% profit when S.P. is Rs. 70 = Rs. (100+x)70×100

∴(100−x)50×100=(100+x)70×100

⇒5(100+x)=7(100−x)

⇒500+5x=700−7x⇒12x=200

⇒x=12200=1632%

Explanation:

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Answer 2

Answer:

sp = 250

loss = 50

cp = sp -loss

cp = 250-50

cp = 200