A man invests some money partly in 12% stock at 108 and partly in 10% stock at 60.To obtain equal dividends from both,he must invest the money in the ratio :	Options:
A) 3 : 4
B) 3 : 2
C) 4 : 5
D) 16 : 15
E) None
Solution   For an income of Rs. 1 in 12% stock at 108, investment = Rs. (108/12)= Rs. 9 .   For an income of Rs. 1 in 10% stock at 60, investment = Rs.(60/10) = Rs. 6.   ∴ Ratio of investments = 9 :6 =3:2   Answer 3 : 2
<result>B</result>
A man invests some money partly in 12% stock at 108 and partly in 10% stock at 60.To obtain equal dividends from both,he must invest the money in the ratio :