Ravi invested certain amount for two rates of simple interests at 6% p.a. and 7% p.a. What is the ratio of Ravi's investments if the interests from those investments are equal?	Choose the correct choice from the following answers
A) 7:2 B) 7:8 C) 7:4 D) 7:6 E) 7:1
Let x be the investment of Ravi in 6% and y be in 7%   x(6)(n)/100 = y(7)(n)/100   =&gt; x/y = 7/6   x : y = 7:6   Answer: 7:6
<result>D</result>
Ravi invested certain amount for two rates of simple interests at 6% p.a. and 7% p.a. What is the ratio of Ravi's investments if the interests from those investments are equal?