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ICSE Class 8 Answered

The C. P. of two watches taken together is Rs.840. If by selling one at a profit of 16% and the other at a loss of 12% there is no gain or loss in the whole transaction then find the C. P. of each watch.
Asked by georgean4572 | 08 Nov, 2018, 16:17: PM
answered-by-expert Expert Answer
Let cost price of one watch be Rs. x
Cost price of second watch is Rs. (840 - x)
Selling price of first watch = 116x/100
Selling price of second watch = 88(840 - x)/100
According to the question,
840 = 116x/100 + 88(840 - x)/100
Solving this we get x = Rs. 360
CP of first watch is Rs. 360 and second watch is 840 - 360 = Rs. 480 
Answered by Sneha shidid | 12 Nov, 2018, 10:21: AM

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