"A man purchased a cow for Rs 3000 and sold it the same day for Rs 3600, allowing th
Channel: Doubtnut
Date: 2020-04-05

"A man
 purchased a cow for Rs 3000 and sold it the same day for Rs 3600, allowing
 the buyer a credit of 2 years. If the rate of interest be 10% per annum, then
 the man has a gain of
(a) 0% (b) 5% (c) 7.5% (d) 10%"