If Rs.20 is the True Discount on Rs260due after a certain time.What wil be true discount on the same sum due after half of the former time, the rate of interest being the same?  Options:
A) Rs.9.40	B) Rs.10.14	C) Rs.10.40	D) Rs.9.14	E) None of these
Explanation:   Simple Interest on Rs. (260-20) for a gven time= Rs.20   Simple Interest on Rs. (260-20) for a half time = Rs.10   True Discount on Rs.250 = Rs.10   True Discount on Rs.260 = R(s10/250x260 ) = Rs. 10.40   Answer: Rs.10.40
<result>C</result>
If Rs.20 is the True Discount on Rs260due after a certain time.What wil be true discount on the same sum due after half of the former time, the rate of interest being the same?