rajinder invests a part of rs 12000 in 12 stock at..., Rances & Games of Skill, General Mathematics

Question:Rajinder invests a part of Rs. 12000 in 12% stock at Rs. 120 and the remainder in 15% stock at Rs. 125. If his total dividend per annum is Rs. 1360, how much does he invest in 12% stock at Rs. 120 ?

A Rs. 4500 
B Rs. 5500 
C Rs. 6000 
D Rs. 4000

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+ AnswerD

+ ExplanationLet investment in 12% stock be Rs. x.

Then, investment in 15% stock` = Rs.(12000 - x).`

`12/120 xx x + 15/125 xx (12000 - x) = 1360`

`or x/10 xx 3/25 (12000 - x) = 1360`

`or 5x + 72000 - 6x`

`= 1360 xx 50 or x = 4000.`

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