a man invests some money party in 9 stock at 96 and..., Rances & Games of Skill, General Mathematics

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

A `4 : 5` 
B `16 : 15` 
C `3 : 4` 
D `3 : 5`

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+ AnswerB

+ ExplanationFor in income of Rs. 1 in 9% stock at 96, investment 

For an income of Rs 1 in 12% stock at 120, investment 

  `= Rs (120/12)`

   `= Rs. 10`.

:. Ratio of investment` = 32/3 : 10 = 32 : 30 = 16 : 15.

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