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If a man sells 7 horse and buys 9 cows h...

If a man sells 7 horse and buys 9 cows his purchase increases by Rs. 176, but if he sells 13 cows and buys 9 horse decreases by Rs. 182 . Find the cost of a cow.

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The correct Answer is:
Rs.31
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CALCUTTA BOOK HOUSE-LINEAR EQUATIONS IN REAL PROBLEMS-EXERCISE-5
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  9. The total price of 9 horses and 7 cows is Rs. 3000 and at the same rat...

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  17. If a man sells 7 horse and buys 9 cows his purchase increases by Rs. 1...

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