61). The number of years for an amount of money to triple at 16% simple interest is
A). \( \Large 12\frac{1}{2} \) |
B). 10 years |
C). \( \Large 8\frac{1}{2} \) years |
D). 6 years |
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62). The rate of interest at which amount of Rs.1800 on compound interest becomes Rs.1984.50 in 2 years is
A). 3% |
B). 4% |
C). 5% |
D). 6% |
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63). A tree increases annually by one-fourth of its height. By how much will it increase after 2 years, if it stands today 64 cm high ?
A). 76 cm |
B). 80 cm |
C). 100 cm |
D). 105 cm |
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64). An amount of Rs.x at compound interest at 20% p.a. for 3 years becomes y. What is y : x?
A). 3 : 1 |
B). 36 : 25 |
C). 216 : 125 |
D). 125 : 216 |
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65). At what rate percent per annum calculated in simple interest will a sum of money double in 10 years?
A). 10% |
B). 12% |
C). 12.50% |
D). 13.50% |
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66). An amount at compound interest doubles itself in 4 years. In how many years will the amount becomes 8 times itself?
A). 8 Years |
B). 12 Years |
C). 16 Years |
D). 24 Years |
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67). A man invested Rs.1000 on a simple interest at a certain rate and Rs.1500 at 2% higher rate. The total interest in three years is Rs.390. What is the rate of interest for Rs.1500?
A). 6% |
B). 5% |
C). 4% |
D). 8% |
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68). What is the simple interest. if an amount of Rs.1000 is invested for 4 years at the rate of 20% p.a.?
A). Rs.800 |
B). Rs.400 |
C). Rs.1200 |
D). Rs.600 |
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69). An investment becomes Rs.720 after adding a simple interest of Rs.120 earned for a period of time at 5% p.a. How long was the principal invested?
A). 3 years |
B). 4 years |
C). 5 years |
D). 6 years |
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70). On what .sum of money lent at 9% p.a. for 4 years will the simple interest amount to Rs.864?
A). Rs.4800 |
B). Rs.3600 |
C). Rs.2400 |
D). Rs.6000 |
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