A and B invested some amounts in schemes offering simple interest at rate of 8 and 12 per annum resp...........

Quantitative Aptitude ( CCS) Simple Interest

A and B invested some amounts in schemes offering simple interest at rate of 8% and 12% per annum resp. A and B deposited their respective amounts for 4 years and 2 years resp. and the interest earned by both of them found to be same. If the amount invested by A is Rs.7000 less than the amount invested by B, find the average of the amounts invested by both of them.

Rs.26200

Rs.23300

Rs.21200

Rs.24500

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Explanation:

Let the amount invested by B be x.
The amount invested by A be (x-7000)
Now, x*12%*2 = (x-7000)*8%*4
=> x = 28000
Required average = (28000+21000)/2 = Rs.24500

Hence, option 4 is the correct answer.