A trader gains 10 while buying the goods and gains 20 while selling the goods Find the gain percent ...........

Quant (SSC) Profit and loss

A trader gains 10% while buying the goods and gains 20% while selling the goods. Find the gain percent of the trader.

Traders gain 10% on buying means an article cost 110rs,
he buy it for 100.
Now he sell it for 20% profit means 110*(120/100) = 132.
So gain% is 32.

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