Stocks and Shares - General Aptitude

Q1:

A man invests some money partly in 9% stock at 96 and partly in 12% stock at 120. To obtain equal dividends from both, he must invest the money in the ratio:

A 3 : 4

B 3 : 5

C 4 : 5

D 16 : 15

ANS:D - 16 : 15

For an income of Re. 1 in 9% stock at 96, investment = Rs. 96 = Rs. 32
9 3
For an income Re. 1 in 12% stock at 120, investment = Rs. 120 = Rs. 10.
12
 Ratio of investments = 32 : 10 = 32 : 30 = 16 : 15.
3