A man buys a watch for Rs. 1950 in cash and sells it for Rs. 2200 at a credit of 1 year. If the rate of interest is 10% per annum, the man: April 21, 2025August 7, 2019 A.gains Rs. 55 B.gains Rs. 50 C.loses Rs. 30 D.gains Rs. 30 Show AnswerAnswer=Option B [/expand