Reena sold two articles at 840 each. On one she gains 20% and on the other she loses 20%. How
much does she profit or lose in the whole transaction? Also, find her profit or loss per cent in the whole
transaction.
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Answer:
Step-by-step explanation:
If selling price is same and one is sold at x%profit and other at x% loss then the overall transaction would be a loss
Overall loss %=x^2/100
=20*20/100
=400/100
=4%
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