Question

A shopkeeper has two false balances.one balance weighs 10% more while buying and another weighs 10% less while selling goods.find his gain %

Answer 1

Answer:

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Answer 2

Answer:

2/9 = 22.22%

Step-by-step explanation:

Assume x is the real weigh of products

When buying, he pay for x but receive 110% of x

When selling, with this amount (110% of x), he is paid for (110% of x) / 90% = 11/9 of x.

so, he gains 2/9 of x, this means 22.22%