A person invests money in three different schemes for 6 years, 10 years and 12 y

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A person invests money in three different schemes for 6 years, 10 years and 12 years at 10 per cent, 12 per cent and 15 per cent simple interest respectively. At the completion of each scheme, he gets the same interest. The ratio of his investment is

Options:

A . 2 : 3 : 4

B . 6 : 3 : 2

C . 3 : 4 : 2

D . 3 : 4 : 6

Answer: Option B
Answer: (b)Using Rule 1,P1 : P2 : P3 = $1/{r_1t_1} : 1/{r_2t_2} : 1/{r_3t_3}$= $1/{6 × 10} : 1/{10 × 12} : 1/{12 × 15}$= $1/60 : 1/120 : 1/180$ = 6 : 3 : 2

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