Jenny invested an amount of Rs 13 900 divided in two different schemes A and B at the simple interes...........

Quantitative Aptitude ( CCS) Compound Interest

Jenny invested an amount of Rs. 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508, what was the amount invested in Scheme B?

Rs. 5500

Rs. 5000

Rs. 6400

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Explanation:

Let the sum invested in Scheme A be Rs. x and that in Scheme B be Rs. (13900 – x).
[xx14x2]/100 + [(13900 – x)x11x2]/100 = 3508
=>28x – 22x = 350800 – (13900 x 22)
=> 6x = 45000 x = 7500
Sum invested in Scheme B = Rs. (13900 – 7500) = Rs. 6400

Hence, option 4 is the correct answer.

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