641 .
A sum fetched a total simple interest of Rs. 5025 at the rate of 10 p.c.p.a. in 7 years. What is the sum?
| A. | 7100 | B. | 7178.57 |
| C. | 7180.50 | D. | 8025 |
642 .
Mr. Abhishek invested an amount of Rs. 14,900 divided in two different schemes A and B at the simple interest rate of 16% p.a. and 13% p.a. respectively. If the total amount of simple interest earned
| A. | 9000 | B. | 6000 |
| C. | 6500 | D. | 9900 |
643 .
A sum of money at simple interest amounts to Rs. 900 in 3 years and to Rs. 954 in 4 years.
| A. | 800 | B. | 790 |
| C. | 792 | D. | 750 |
644 .
Sanjay deposited Rs. 5000 in the bank. The bank offered simple interest at the rate of 12 per cent per year. After 5 years the total amount received by him will be:
| A. | Rs. 7,000 | B. | Rs. 7,500 |
| C. | Rs. 8,000 | D. | Rs. 8,500 |
645 .
A moneylender charged Rs. 120 as simple interest on a sum of Rs. 400 for four months. The rate of interest per annum will be: [CDS 2000]
| A. | Rs. 0 | B. | Rs. 0.15 |
| C. | Rs. 1.80 | D. | Rs. 1 |
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