Rs. 7000 is divided unequally in two parts and invested in scheme a, which offer 10% p.A. Compound interest which compounded annually and in scheme b, which offer 15% p.A. Simple interest for 2 years and 3 years respectively. If the interest earned from scheme a is 84% of that earned from scheme
b. Find the sum invested in scheme
a.
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Answer:
The sum invested in scheme A is 4500 Rs.
Step-by-step explanation:
Total sum invested in scheme A and scheme B = Rs. 7000
Let the sum invested in scheme A = X Rs.
The sum invested in scheme B = (7000 – x) Rs.
Scheme A offered Compound Interest at 10% compounded annually for 2 years .
Effective Compound Interest after 2 years = 21%
Scheme B offered SI at 15% per annum for 3 years
Effective SI after 3 years = 45%
Investment earned from scheme A is 84% of the investment earned from scheme B
x × 21/100 = 84/100 × (7000 – x) × 45/100
x = 4500
Thus the sum invested in scheme A is 4500 Rs.
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