14. Karan bought 20 chocolates for 780 and 10 chocolates for 570. He mixed all the chocolates
and sold them for 60 per chocolate. Find his gain or loss %.
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Answer:
Karan bought 20 chocolates for RS 780.
He spent = RS (780×20) = RS 15600.
He bought 10 chocolates for RS 570.
He spent = RS (570×10) = RS 5700.
In total, he spent = RS (15600+5700) = RS 21300.
By mixing all the chocolates, total number of chocolates = (20+10) = 30.
He sold each chocolate for RS 60.
He got amount of = RS (30×60) = RS 1800.
He had a loss of = RS (21300-1800) = RS 19500.
Loss % = (19500/21300×100) = 91.55 % (approx)
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