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A man invests some money partly in $3\%$ stock at $96$ and partly in $4\%$ stock at $120$. To get equal dividends from both, he must invest the money in the ratio :

1. $16 : 25$
2. $4 : 3$
3. $4 : 5$
4. $3 : 5$

Correct option is  16:15

For a divident of Rs. 1 in 3% stock at 96, investment = Rs. (96/3)=Rs.32
For a divident  of Rs. 1 in 4% stock at 120, investment = Rs. (120/4)=Rs. 30
∴ Ratio of investments =32​:30=16:15
44 points

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