81). At what rate percent per annum compound interest will Rs.9000 amount to Rs.10390 in two years?
| A). 0.12 |
| B). 0.16 |
| C). 0.1 |
| D). 0.18 |
|
82). In how many years will Rs.6000 amount to Rs.7986 at 10% p.a. compound interest?
| A). 3 Years |
| B). 6 Years |
| C). 9 Years |
| D). 8 Years |
|
83). The compound interest on a sum of money for 2 years is Rs.420 and the simple interest on the same sum for the same period and at the same rate of interest is Rs.400. What is the principal and the rate of interest?
| A). Rs.4000 at 5% |
| B). Rs.2000 at 10% |
| C). Rs.8000 at 2.5% |
| D). Rs.10000 at 2% |
|
84). A sum of money invested in compound interest by Harrison amounts to Rs.4840 at the end of two years. Further. it amounts to Rs.5324 at the end of three years. What is the rate of interest and the principal invested?
| A). 5% and Rs.8000 |
| B). Rs.6% and Rs.12000 |
| C). 10% and Rs.4000 |
| D). 8% and Rs.4500 |
|
85). The CI, compounded annually, on an investment for the second year is Rs.2200 and for the third year is Rs.2420. What is the rate of interest and the principal invested?
| A). 8% and Rs.24000 |
| B). 6% and Rs.27000 |
| C). 10% and Rs.20000 |
| D). 7% and Rs.26000 |
|
86). If the rate % and the time for which an amount is invested are the same and the Simple interest amounts to one-fourth of the principal, for how long was the sum invested?
| A). 6% for a period of 4 years |
| B). 4% for a period of 5 years |
| C). 2% for a period of 10 years |
| D). 5% for a period of 5 years |
|
87). A certain sum of money is invested for a certain time at 6% p.a. simple interest. It amounts to Rs.120. If the same principal is invested for the same duration at 3% p. a simple interest, it amounts to Rs.80. What is the principal invested and what is duration for which it was invested?
| A). Rs.40 for 3 years |
| B). Rs.50 for 2 years |
| C). Rs.60 for 2.5 years |
| D). Rs.80 for 1.5 years |
|
88). What is the simple interest on Rs.2500 for 8 months at 48 paise per rupee per month?
| A). Rs.1200 |
| B). Rs.800 |
| C). Rs.600 |
| D). Rs.900 |
|
89). A sum of money invested at simple interest amounts to Rs.720 at the end of two years and to Rs.1020 at the end of another 5 years. What is the principal invested and at what rate of interest was it invested?
| A). Rs.800 at 9% |
| B). Rs.1200 at 5% |
| C). Rs.600 at 10% |
| D). Rs.1000 at 12% |
|
90). A certain sum of money was invested at simple interest at a certain rate for 4 years. Had it been invested at 2% higher rate, it would have yielded Rs.64 more in terms of interest. What was the principal that was invested?
| A). Rs.600 |
| B). Rs.700 |
| C). Rs.900 |
| D). Rs.800 |
|
