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Ankit sold two jeans for ₹990 each .on one he gains 10% and on other he lost 10% . find his gain or loss percent on whole transaction.

  • Maths -

    cost: 990/1.10 and 990/0.90

    so his income:cost ratio is

    (2*990)/(990/1.10 + 990/0.90) = 0.99

    That is, a loss of 1%

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