Question

three watches are purchasef at ₹450 each .One of them is sold at a loss of 10%. At what price should the other two be sold so as to gain 20% on the whole transaction

Answer 1

» The cost price of one watch = 450

» The C. P. of 3 watches = 3 × 450 = 1350

» To gain 20% on the sale of watches then The S.P shouls be =1350 ×120/100 = 1620

» On sale of one watch the loss incurred is 10% 

» Th S.P of the watch= 450×90/100 = 405 

» Thus the S.P of other two watch to gain 20% on the whole transaction = 1620 -  405 = 1215

» The S.P of other two wathes will be = 1215 . 

» Thus the S.P of each watch  of remaining two will be = 1215/2 = 607.50

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