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### Discussion :: True Discount

1. 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:

2.  A. gains Rs. 55 B. gains Rs. 50 C. loses Rs. 30 D. gains Rs. 30

Explanation :

=  Rs$$[ \frac { 2200*100 } { 100+(10*1) } ]$$

 S.P. = P.W. of Rs. 2200 due 1 year henzz

Gain = Rs. (2000 - 1950) = Rs. 50.

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