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5. A man invests Rs. 10,000 for a year. Of this Rs. 4,000 is invested at the interest
rate of 5% per year. Rs. 3,500 at 4% per year and the rest at a% per year. His
total interest for the year is Rs. 500. Then a equals
(A) 6.2:
(B) 6.3;
(C) 6.4;
(D) 6.5.
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Answer:
6.5
Step-by-step explanation:
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