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Simple interest

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  1. A person invests money in three different schemes for 6 years, 10 years and 12 years at 10 percent, 12 percent and 15 percent simple interest respectively. At the completion of each scheme, he gets the same interest. The ratio of his investment is
    1. 6 : 3 : 2
    2. 2 : 3 : 4
    3. 3 : 4 : 6
    4. 3 : 4 : 2
Correct Option: A

We can find the required answer with the help of given formula ,

P1 : P2 : P3 =
1
 :
1
 :
1
r1t1r2t2r3t3

P1 : P2 : P3 =
1
 :
1
 :
1
6 × 1010 × 1212 × 15

P1 : P2 : P3 =
1
 :
1
 :
1
60120180

P1 : P2 : P3 = 6 : 3 : 2


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