A person invests money in three different schemes for 6 years, 10 years and 12 years at 10%, 12% and 15% simple interest respectively. At the completion of each scheme, he gets the same interest. The ratio of his investment is = ?
A. 6 : 3 : 2
B. 2 : 3 : 4
C. 3 : 4 : 6
D. 3 : 4 : 2
Answer: Option A
Solution(By Examveda Team)
Let the principal in each case = 100 units According to the question,| 1st part | 2nd part | 3rd part | ||
| Principal | → | 100x6 | 100x3 | 100x2 |
| Rate % | → | 10 | 12 | 15 |
| Time | → | 6 | 10 | 12 |
| Interest | → | 60x6 | 120x3 | 180x2 |
Hence required ratio
= 600 : 300 : 200 of sum
= 6 : 3 : 2
This Question Belongs to Arithmetic Ability >> Interest
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