Question

3. A sold a watch to B at 10% 1 point
profit and B sold it to C at a loss
of 10%. If C bought the watch
for Rs.990, At what price did A purchase it?

​

Answer 1

Answer:

Given, for B

S.P = Rs. 844.80

Loss =12 %

Now, with this S.P. and for Loss % =

C.P.

C.P.−S.P.

×100=12 %

⇒

C.P.

C.P.−844.80

×100=12

⇒ C.P. −844.80=0.12 C.P.

⇒0.88 C.P. =844.80

⇒ C.P. = Rs. 960

This, Rs. 960 is the S.P for A as A sold the article to B.

So, Profit % =

C.P.

S.P.−C.P.

×100=20 %

⇒

C.P

960−C.P.

×100=20

⇒960− C.P. =0.2C.P.

⇒1.2 C.P =960

⇒ C.P. =Rs800

Hence, C bought the article for Rs. 800.

Answered By

toppr

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