Three watches are purchased at₹450each.one of them is sold at loss of 10%.at what price should the other two be sold so as to gain 20% on the whole transaction?
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Answer:
1) sp=450x90/loo=405
Loss=45
Total cp=450 x 3=1350
sp=1350x120/100 = 1620.
1620-1350 = 270 +45 =315=Total
Profit required
315 +900 = Rs1215. Ans
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