Question
A man bought a horse and a carriage for Rs. 3000. He sold the horse at a gain of 20% and the carriage at a loss of 10% , there by gaining 2% on the whole . Find the cost of the horse.
Answer: Option A
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Let the C.P. of the horse be Rs. Then ,C.P. of the carriage = Rs. (3000 - `x`)
`:.` 20% of `x` - 10% of (3000 - x) = 2% of 3000
`rArr x/5 - ((3000 - x))/(10) = rArr 2x - 3000 + x = 600 rArr 3x = 3600 rArr x` = 1200
Hence , C.P. of the horse = Rs. 1200.
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