The income derived from a Rs. 100, 13% stock at Rs. 105, is :  Choose the most appropriate option
A) Rs. 5  B) Rs. 8  C) Rs. 13  D) Rs. 18  E) Rs. 19
Solution   Income on Rs. 100 stock = Rs. 13.   Answer Rs. 13
<result>C</result>
The income derived from a Rs. 100, 13% stock at Rs. 105, is :