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Compound Interest 1/6

31. The compound interest on Rs.30000 at 7% per annum for a certain time is Rs.4347. The time is :
a. 2 years
b. $2\displaystyle\frac{1}{2}$ years
c. 3 years
d. 4 years


32. Rs.800 at 5% per annum compound interest will amount to Rs.882 in :
a. 1 year
b. 2 years
c. 3 years
d. 4 years


33. Simple interest on a sum at 4% per annum for 2 years is Rs.80.The compound interest on the same sum for the same period is :
a. Rs.81.60
b. Rs.160
c. Rs.1081.60
d. None of these


34. The difference of compound interest on Rs.800 for 1 year at 20% per annum when compounded half-yearly and quarterly is :
a. Nil
b. Rs.2.50
c. Rs.4.40
d. Rs.6.60


35. The difference between simple interest and the compound interest on Rs.600 for 1 year at 10% per annum, reckoned half-yearly is :
a. Nil
b. Rs.6.60
c. Rs.4.40
d. Rs.1.50


36. The compound interest of Rs.20480 at $6\displaystyle\frac{1}{4}$% per annum for 2 years 73 days is :
a. Rs.3000
b. Rs.3131
c. Rs.2929
d. Rs.3636


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