636 .
The simple interest on a certain sum of money for 2 l/2 years at 12% per annum is Rs. 40 less than the simple interest on the same sum for 3 ½ years at 10% per annum. Find the sum.
| A. | 800 | B. | 850 |
| C. | 900 | D. | 950 |
637 .
A sum of Rs. 14,000 amounts to Rs. 22,400 in 12 years at the rate of simple interest. What is the rate of interest?
| A. | 7% | B. | 6% |
| C. | 5% | D. | 4% |
638 .
Anand took some money for borrowed, for 3 years the total will be Rs.5000 and 5 years it will be Rs.6000/-. Then how much amount he borrowed?
| A. | 3500 | B. | 4000 |
| C. | 3000 | D. | 2500 |
639 .
Ashoke borrowed some amount, after 6 years he paid Rs.20,800/- with 10% interest, then how much Amount he borrowed?
| A. | 12000 | B. | 13000 |
| C. | 14000 | D. | 14500 |
640 .
Syam took a loan of Rs. 1400 with simple interest for as many years as the rate of interest. If he paid Rs. 864 as interest at the end of the loan period, what was the rate of interest?
| A. | 6 | B. | 8 |
| C. | 9 | D. | 7 |
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