Arun invests in bonds worth Rs. 40000 and he receives a 15% interest per annum. How much money should he invest in bonds that give 10% per annum so that he gains overall 12% per annum?

50000

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65000

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60000

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62500

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none of these

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Solution

The correct option is C 60000
Using alligation
He should invest in the ratio 2:3
He should invest 60000

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Similar questions

A person invested 3 times as much money in a scheme giving $5 %$ per annum simple interest than he invested in a scheme giving $2 %$ per annum simple interest. Further, he invested Rs. 6000 more in a scheme giving $3 %$ per annum simple interest than he invested in a scheme giving $2 %$ per annum simple interest. If the total interest from the three investments after a year is Rs. 980, then what is the total amount he invested?