Some toffees are bought at the rate of 11 for rupee10 and the same number at the rate of 9for ₹10. If the whole lot is sold at one rupee per toffee, find the gain or loss in the whole transaction.
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10. 11
10. 9
CP=90
SP=110
P%=20*100/90
10. 9
CP=90
SP=110
P%=20*100/90
narandrmodi1:
yar kasa
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