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Simple Interest 1/4

25. A sum of Rs.2540 is lent out into two parts, one at 12% and another one at $12\displaystyle\frac{1}{2}$%. If the total annual income is Rs.311.60, the money lent at 12% is:
a. Rs.1180
b. Rs.1360
c. Rs.1240
d. Rs.1340


26. A money lender finds that due to a fall in the rate of interest from 13% to $12\displaystyle\frac{1}{2}$%, his yearly income diminishes by Rs.104. His capital is :
a. Rs.21400
b. Rs.20800
c. Rs.22300
d. Rs.24000


27. A sum of money amounts to Rs.850 in 3 years and Rs.925 in 4 years. The sum is :
a. Rs.600
b. Rs.575
c. Rs.625
d. Data inadequate


28. The simple interest on a certain sum for 3 years at 14% per annum is Rs.235.20. The sum is :
a. Rs.480
b. Rs.560
c. Rs.650
d. Rs.720


29. Rs.2189 are divided into three parts such that their amounts after 1, 2 and 3 years respectively may be equal, the rate of simple interest being 4% p.a.in all cases. The smallest part is :
a. Rs.702
b. Rs.398
c. Rs.756
d. Rs.1093


30. A man lends Rs.10000 in four parts. If he gets 8% on Rs.2000; $7\displaystyle\frac{1}{2}$% on Rs.4000 and $8\displaystyle\frac{1}{2}$% on Rs.1400, what percent must he get for the remainder, if his average annual interest is 8.13% ?
a. $10\displaystyle\frac{1}{2}$%
b. $9\displaystyle\frac{1}{4}$%
c. 9%
d. 7%


31. A man invests an amount of Rs.15860 in the names of his three sons A,B and C in such a way that they get the same amount after 2,3 and 4 years respectively. If the rate of simple interest is 5%, then the ratio of amounts invested among A,B and C will be:
a. 10 : 15 : 20
b. 22 : 23 : 24
c. 6 : 4 : 3
d. 2 : 3 : 4


32. A man invested $\displaystyle\frac{1}{3}$ of his capital at 7%, $\displaystyle\frac{1}{4}$ at 8% and the remainder at 10%. If his annual income is Rs.561, the capital is :
a. Rs.5400
b. Rs.6000
c. Rs.6600
d. Rs.7200


33. What should be the least number of years in which the simple interest on R.2600 at $6\displaystyle\frac{2}{3}$% will be an exact number of rupees ?
a. 2
b. 3
c. 4
d. 5


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