A man invests some money partly in 12% stock at 132 and partly in 10% stock at 80.To obtain equal dividends from both,he must invest the money in the ratio :	Select.
A) 3 : 4 B) 3 : 5 C) 11:8 D) 16 : 15 E) None
Solution   For an income of Rs. 1 in 12% stock at 132, investment = Rs. (132/12)= Rs. 11 .   For an income of Rs. 1 in 10% stock at 80, investment = Rs.(80/10) = Rs. 8.   ∴ Ratio of investments = 11:8 =11:8   Answer 11:8
<result>C</result>
A man invests some money partly in 12% stock at 132 and partly in 10% stock at 80.To obtain equal dividends from both,he must invest the money in the ratio :