An amount is invested in two schemes A and B Ratio of investment in A to that of B is 17 8 A gives i...........

Quantitative Aptitude ( CCS) Simple Interest

An amount is invested in two schemes, A and B. Ratio of investment in A to that of B is 17:8. A gives interest after 2 years at 10% compound interest while B gives interest after 2 years at 21% simple interest. What will be the ratio of interest earned through A to that of B?

9:11

17:16

14:11

16:13

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Explanation:

Amount invested in A = 17x
Amount invested in B = 8x
Interest earned through A = (17x)*[(1+10/100)² -1 ]
=(17x*2100)/10000=(17x*21)/100
Interest earned through B = [(8x)*(21)*2]/100
Required ratio = (17x*21)/100 : (8x*21*2)/100= 17 : 16.

Hence, option 2 is the correct answer.

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