John sold an article to Peter at 20 % profit, Peter sold it to Mohan at 5 % loss. If Mohan paid ₹912 for the article; find how muc did Joy pay for it ?
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Answer:
John pays Rs.800.
Explanation -
John
Profit % = 20%
Mohan
SP = Rs. 912
L% = 5%
therefore, CP = x
Loss = 5x / 100
Equation -
5x/100 = x - 912
912 = x - 5x/100
912 = 95x/100
x = 912*100/95
x = Rs. 960
If CP of Mohan is Rs. 960,
Then SP of john = Rs.960
Profit % of john = 20%
Therefore cp = x
Equation -
20x/100 = 960 - x
20x/100 + x = 960
120x/100 = 960
x = 960*100/120
x = 800
Therefore jhon pays Rs.800.
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