Question

a men bought a calculator for ₹1100 .he perchaged cover nd extra battery ₹79 nd sold it at 10%loss find the selling price of the calculator.
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Answer 1

Cost price of two goats is Rs.1008.

80% of cost price of first goat = 144% of cost price of second goat.

cost price of first goat : cost price of second goat = 144:80=9:5

Cost price of first goat=

9+5

9

×1008=Rs. 648