Janak sold a piano and made a profit of 20% if he had bought for rupees 20000 then
his profit would have been only 15% what is the cost price of the piano
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Answer:
Let the C.P. be Rs. 100
Then,
Profit = 20%
S.P. = Rs. 120
New C.P. = 20% less = Rs. 80
If he gain is 25% then S.P.
=Rs(125100×80)=Rs.100
Difference in S.P.
= Rs. (120 - 100)
=Rs. 20
If difference in S.P. is Rs. 20, then C.P. = Rs. 100
If difference in S.P. is Rs. 18, then
C.P.=Rs.(10020×18)=Rs. 90
mark me as brainless.
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kaise ho arpit..........
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