a) Rs. 6400
b) Rs. 6500
c) Rs. 7200
d) Rs. 7500
Answer: a
Explanation: Let the sum invested in Scheme A be Rs. x and that in Scheme B be Rs. (13900 – x)
$$ {\frac{{x \times 14 \times 2}}{{100}}} + $$ $$ {\frac{{\left( {13900 – x} \right) \times 11 \times 2}}{{100}}} $$ $$ = 3508$$
28x – 22x = 350800 – (13900 x 22)
6x = 45000
x = 7500
Sum invested in Scheme B
= Rs. (13900 – 7500)
= Rs. 6400
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