Quantitative Aptitude - Simple Interest
Exam Duration: 60 Mins Total Questions : 30
At the rate of 8\(1\over2\)% p.a. simple interest, a sum of Rs. 4800 will earn how much interest in 2 years 3 months ?
- (a)
Rs.796
- (b)
Rs.816
- (c)
Rs.918
- (d)
Rs.956
The simple interest on Rs.1820 from March 9, 2003 to May 21, 2003 at 7\(1\over4\)% rate will be:
- (a)
Rs.22.50
- (b)
Rs.27.30
- (c)
Rs.28.80
- (d)
Rs.29
A sum of Rs.12,500 amounts to Rs.15,500 in 4 years at the rate of simple interest. What is the rate of interest ?
- (a)
3%
- (b)
4%
- (c)
5%
- (d)
6%
- (e)
None of these
A sum of Rs.1600 gives a simple interest of Rs.252 in 2 years and 4 months. The rate of interest per annum is :
- (a)
6%
- (b)
6\(1\over4\)%
- (c)
6\(1\over2\)%
- (d)
6\(3\over4\)%
Reena took a loan of Rs.1200 with simple interest for as many years as the rate of interest. If she paid Rs.432 as interest at the end of the loan period, what was the rate of interest ?
- (a)
3.6
- (b)
6
- (c)
18
- (d)
Cannot be determined
- (e)
None of these
A man took a loan from a bank at the rate of 12% p.a. simple interest. After 3 years he had to pay Rs.5400 interest only for the period. The principal amount borrowed by him was:
- (a)
Rs.2000
- (b)
Rs.10,000
- (c)
Rs.15,000
- (d)
Rs.20,000
The simple interest at x% for x years will be Rs.x on a sum of :
- (a)
Rs.x
- (b)
Rs.\(({100\over x})\)
- (c)
Rs. 100x
- (d)
Rs.\(({100\over x^{2}})\)
A certain amount earns simple interest of Rs. 1750 after 7 years. Had the interest been 2% more, how much more interest would it have earned?
- (a)
Rs.35
- (b)
Rs.245
- (c)
Rs.350
- (d)
Cannot be determined
- (e)
None of these
The interest on a certain deposit at 4.5% p.a. is Rs.202.50 in one year. How much will the additional interest in one year be on the same deposit at 5% p.a. ?
- (a)
Rs.20.25
- (b)
Rs.22.50
- (c)
Rs.25
- (d)
Rs.42.75
Nitin borrowed some money at the rate of 6% p.a. for the first three years, 9% p.a. for the next five years and 13 % p.a. for the period beyond eight years. If the total interest paid by him at the end of eleven years is Rs.8160, how much money did he borrow?
- (a)
Rs.8000
- (b)
Rs.10,000
- (c)
Rs.12,000
- (d)
Data inadequate
- (e)
None of these
An automobile financier claims to be lending money at simple interest, but he includes the interest every six months for calculating the principal. If he is charging an interest of 10%, the effective rate of interest becomes:
- (a)
10%
- (b)
10.25%
- (c)
10.5%
- (d)
None of these
A sum of money lent out at simple interest amounts to Rs.720 after 2 years and to Rs.1020 after a further period of 5 years. The sum is :
- (a)
Rs.500
- (b)
Rs.600
- (c)
Rs.700
- (d)
Rs.710
The simple interest on a sum of money at 8% per annum for 6 years is half the sum. The sum is :
- (a)
Rs.4800
- (b)
Rs.6000
- (c)
Rs.8000
- (d)
Data inadequate
How long will it take a sum of money invested at 5% p.a. S.I. to increase its value by 40% ?
- (a)
5 years
- (b)
6 years
- (c)
7 years
- (d)
8 years
Simple interest on a certain sum at a certain annual rate of interest is \(1\over9\) of the sum. If the numbers representing rate percent and time in years be equal, then the rate of interest is :
- (a)
3\(1\over3\)%
- (b)
5%
- (c)
6\(2\over3\)%
- (d)
10%
A lends Rs. 2500 to B and certain sum to C at the same time at 7% p.a. simple interest. If after 4 years, A altogether receiver Rs. 1120 as interest from B and C, then the sum lent to C is :
- (a)
Rs. 700
- (b)
Rs. 1500
- (c)
Rs. 4000
- (d)
Rs. 6500
A borrowed some money from B at 12% p.a. S.I. for 3 years. He then added some more money to the borrowed sum and lent it to C for the same period at 14% p.a. rate of interest. If A gains Rs. 93.90 in the whole transaction, how much money did he add from his side ?
- (a)
Rs. 35
- (b)
Rs. 55
- (c)
Rs. 80
- (d)
Rs. 105
The difference between the simple interest received from two different sources on Rs. 1500 fot 3 years is Rs. 13.50. The difference between their rates of interest is :
- (a)
0.1%
- (b)
0.2%
- (c)
0.3%
- (d)
0.4%
- (e)
None of these
What should be the least number of years in which the simple interest on Rs. 2600 at 6\(2\over3\)% will be an exact number of rupees ?
- (a)
2
- (b)
3
- (c)
4
- (d)
5
If the annual rate of simple interest increases from 10 % to 12\(1\over2\)%, a man's yearly income increases by Rs. 1250. HIs principal (in Rs. ) is:
- (a)
45,000
- (b)
50,000
- (c)
60,000
- (d)
65,000
The price of a T.V set worth Rs. 20,000 is to be paid in 20 instalments of Rs. 1000 each. If the rate of interest be 6% per annum, and the first instalment be paid at the time of purchase, then the value of the last instalment covering the interest as well will be :
- (a)
Rs. 1050
- (b)
Rs. 2050
- (c)
Rs. 3000
- (d)
None of these
If the rate increases by 2%, the simple interest received on a sum of money increases by Rs. 108. If the time period is increased by 2 years, the simple interest on the same sum increase by Rs. 180. The sum is :
- (a)
Rs. 1800
- (b)
Rs. 3600
- (c)
Rs. 5400
- (d)
Data inadequate
- (e)
None of these
Mr. Thomas invested an amount of Rs. 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508, what was the amount invested in Scheme B ?
- (a)
Rs. 6400
- (b)
Rs. 6500
- (c)
Rs. 7200
- (d)
Rs. 7500
- (e)
None of these
A sum of Rs. 1550 was lent partly at 5% and partly at 8% p.a. simple interest. The total interest received after 3 years was Rs. 300. The ratio of the money lent at 5% to that lent at 8% is :
- (a)
5 ; 8
- (b)
8 : 5
- (c)
16 : 15
- (d)
31 : 6
A person invested in all Rs. 2600 at 4%, 6% and 8% per annum simple interest. At the end of the year, he got the same interest in all the three cases. The money invested at 4% is :
- (a)
Rs. 200
- (b)
Rs. 600
- (c)
Rs. 800
- (d)
Rs. 1200
Divide Rs. 2379 into 3 parts so that their amounts after 2, 3 and 4 years respectively may be equal, the rate of interest being 5% per annum at simple interest. The first part is :
- (a)
Rs. 759
- (b)
Rs. 792
- (c)
Rs. 818
- (d)
Rs. 828
A man invested \(1\over3\) of his capital at 7%; \(1\over 4\) 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
What is the sum which earned interest ?
I. The total simple interest was Rs. 7000 after 7 years.
II. The total of sum and simple interest was double of the sum after 5 years.
- (a)
if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question
- (b)
if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question
- (c)
if the data either in Statement I or in Statement II alone are sufficient to answer the question
- (d)
if the data in both Statement I and II together are not sufficient to answer the question
- (e)
if the data in both Statement I and II together are necessary to answer the question
What is the prinicipal sum ?
I. The sum amounts to Rs. 690 in 3 years at S.I.
II. The sum amounts to Rs. 750 in 5 years at S.I.
III. The rate of interest is 5% p.a.
- (a)
I and III only
- (b)
II and III only
- (c)
I and II only
- (d)
I and III only, or II and III only
- (e)
Any two of the three
In how many years will a sum of money put a simple interest treble itself?
I. The interest earned in 4 years is half the sum.
II. The rate of interest is 12\(1\over2\)%.
III. The sum double itself in 8 years at simple interest.
- (a)
Any one of the three
- (b)
Any two of the three
- (c)
All I, II and III
- (d)
II and III only
- (e)
I and II only