Answer:
12.5%
Explanation:
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Hari bought 20kg of rice at 36 per kg and 25kg of rice
at 32 per kg. He mixed the two varieties and sold the
mixture at 38 per kg. Find his gain percent in the whole
transaction.
Medium
Solution
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We know that,
Total weight of rice = 20+25=45
So, total cost of both varieties =
(20×36)+(25×32)=720+800=1520
∴ The CP=₹1520
SP=weight×Rate=45×38=1710
Since, SP is more than CP so it’s a gain.
Gain=SP—CP=1710—1520=₹190
Gain%=(Gain×100)/CP
=(190×100)/1520
=12.5%
∴ The Gain percent is 12.5%