19.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
Answer: Option:D
For an income of Re. 1 in 9% stock at 96, investments = Rs. (96 / 9).
= Rs.(32/3).
For an income of Re.1 in 12% stock at 120, investments
=Rs.(120/12 )
= Rs.10.
Ratio of investments= 32/3 : 10 = 32 : 30
