4
78. A trader sold his
4/5 of the stock
at 15% profit and the remaining
at 10% loss. If he earned Rs. 45
in the whole transaction, find the
total cost price of his stock. Solve it using fraction method.
(a) Rs. 450 (b) Rs. 350
(c) Rs. 300 (d) Rs. 200
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Answer is 450.Mark me as BRAINLIEST
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