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Durgadebi went to the market and saw tha...

Durgadebi went to the market and saw that the price of dal of 1 kg is RS 20 and the price of rice of 1 kg is RS 40 less than that of fish of 1 kg. The quantity of fish and that of dal in RS 240 is equal to the quantity of of rice in RS 280. Calculate the cost price of 1 kg fish, Durgadevi had bought in the market.

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The correct Answer is:
RS 80
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CALCUTTA BOOK HOUSE-QUADRATIC EQUATION IN ONE VARIABLE-EXERCISE-1.4
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