Question

# A man sells a T.V. set for Rs. 6,900 and makes a profit of 15%. He sells a second T.V. set at a loss of 10%. If on the whole, he neither gains nor loses, find the cost price of second T.V. set.

A
Rs. 6,000
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B
Rs. 8,000
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C
Rs. 9,000
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D
Rs. 10,000
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Solution

## The correct option is C Rs. 9,000Man gets 15% profit on first T.V.⇒ C.P. of 1st T.V = 100100+Profit%×S.P.=100100+15×6900= Rs. 6000.Therefore, profit on 1st T.V. = Rs. 6900−6000= Rs. 900.So, the loss on second T.V. is Rs. 900.Loss%=10%Loss%=LossC.P.×100⇒ 10=900C.P.×100⇒ 10=90000C.P.⇒ C.P.= Rs. 9000Thus cost price of second T.V. is Rs. 9000.

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