GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
41. | A sum of money place at compound interest doubles itself in 4 years. In how many years will it amount to eight times itself? | ||
A. | 16 | ||
B. | 8 | ||
C. | 12 | ||
D. | 20 | ||
42. | The sum of money at compound interest amounts to thrice itself in 3 years. In how many years will it be 9 times itself? | ||
A. | 18 | ||
B. | 12 | ||
C. | 9 | ||
D. | 6 | ||
43. | The C.I. on a certain sum for 2 years Rs.41 and the simple interest is Rs.40. What is the rate percent? | ||
A. | 4% | ||
B. | 5% | ||
C. | 6% | ||
D. | 8% | ||
44. | Simple interest on a sum at 4% per annum for 2 years is Rs.80. The C.I. on the same sum for the same period is_______? | ||
A. | Rs.81.60 | ||
B. | Rs.160 | ||
C. | Rs.1081.60 | ||
D. | Rs.99 | ||
45. | Find the C.I. on a sum of Rs.1600 for 9 months at 20% per annum, interest being compounded quarterly? | ||
A. | Rs.17684 | ||
B. | Rs.1684 | ||
C. | Rs.2522 | ||
D. | Rs.3408 | ||