Forty horses are bought for Rs. 15,000. The average cost of fifteen of them is Rs. 300. What is the
average cost of others?
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Answer:
Total cost of 40 horses = Rs 15000
Average cost of 15 of the horses = Rs 300
Total cost of 15 horses = 300 * 15 = Rs 4500
Total cost of other 25 horses = 15000 - 4500
= Rs 10500.
Average cost for 25 horses = 10500/25 = Rs 420.
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