Q:

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 investments is-

• 1
  6 : 3 : 2
• 2
  2 : 3 :4
• 3
  3 : 4 : 6
• 4
  3 : 4 :2