"A man invests some money partly in 9% stock at 96 and partly in 12% stock at 120.
Channel: Doubtnut
Date: 2020-04-05

"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"