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  • SBI SO Exam Quantitative Aptitude Study Material

Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of Quantitative Aptitude Simple and compound interest for SBI SO Exam student. This free online Quantitative Aptitude study material for SBI SO Exam will help students in learning and doing practice on Simple and compound interest topic of SBI SO Exam Quantitative Aptitude . The study material on Simple and compound interest, help SBI SO Exam Quantitative Aptitude students to learn every aspect of Simple and compound interest and prepare themselves for exams by doing online test exercise for Simple and compound interest, as their study progresses in class. Kidsfront provide unique pattern of learning Quantitative Aptitude with free online comprehensive study material and loads of SBI SO Exam Quantitative Aptitude Simple and compound interest exercise prepared by the highly professionals team. Students can understand Simple and compound interest concept easily and consolidate their learning by doing practice test on Simple and compound interest regularly till they excel in Quantitative Aptitude Simple and compound interest.


Simple and compound interest
A sum of money lent out at simple interest amounts to Rs. 720 after 2 years and Rs. 1020 after a further period of 5 years. Find the principal.

a) Rs.600
b) Rs.1740
c) Rs.6000
d) Rs.120



Answer
Solution
Correct Answer Is : Rs.600
Solution Is :
The rate of simple interest at which a sum of money becomes three times in 25 years is :

a) 6%
b) 8%
c) 5%
d) 4%



Answer
Solution
Correct Answer Is : 8%
Solution Is : (2) Principal=Rs.x,Interest
=3x-x=Rs.2x
Therefore,Rate=(S.I*100)/(Principal*Time)
=(2x*100)/(x*25)=8% per annum.
If Rs. 5,000 becomes Rs. 5,700 in a year`s time, what will Rs. 7,000 become at the end of 5 years at the same rate of simple interest ?

a) Rs.10,500
b) Rs.11,900
c) Rs.12,700
d) Rs. 7,700



Answer
Solution
Correct Answer Is : Rs.11,900
Solution Is : Interest =5700-5000=Rs.700
Therefore , Rate=(700*100)/(5000*1) =14% CaseII,
Interest=(Principal*time*Rate)/100
=(7000*5*14)/100 =Rs.4900
Amount=7000+4900=Rs.11900.
A person takes a loan of Rs. 10,0000 partly from a bank at 8% p.a. and remaining from another bank at 10% p.a. He pays a total interest of Rs. 950 per annum. Amount of loan taken from the first bank (in Rs.) is

a) 2500
b) 5200
c) 2050
d) 5020



Answer
Solution
Correct Answer Is : 2500
Solution Is :
A sum of 12,000 deposited at compound interest becomes double after 5 years. After 20 years, it will become

a) 48000
b) 96000
c) 190000
d) 192000



Answer
Solution
Correct Answer Is : 192000
Solution Is : ? 2P = P(1 +r/100)5 ⇒
(1 +r/100)5 = 2 ?
(1 + r/100)20 = 24 = 16
Thus, P(1 +r/100)20 = 16P
= Rs. (12000 x 16)
= Rs. 192000
Simple interest on a certain sum for 6 years is 9/25 of the sum. The rate of interest is

a) 0.06
b) 0.065
c) 0.08
d) 0.085



Answer
Solution
Correct Answer Is : 0.06
Solution Is : Rate = (SI ×100)/(Principal ×Time)
= 9/25×100/6=6% per annum
The difference between the compound interest and simple interest for the amount ! 5,000 in 2 years is 32. The rate of interest is

a) 0.05
b) 0.08
c) 0.1
d) 0.12



Answer
Solution
Correct Answer Is : 0.08
Solution Is : Difference = Principal (Rate2/10000)
32 = 5000 (r2/10000)
r2 = 32 x 2 = 64
=>r = 8%
The simple interest on a sum of money is 1/9 of the principle and the number of years is equal to rate per cent annum. The rate per annum is

a) 3%
b) (1/3)%
c)
d) (3/10)%



Answer
Solution
Correct Answer Is :
Solution Is :
The difference between simple interest and compound interest of a certain sumofmoney at 20% per annum for 2 years is Rs. 48. Then the sum is

a) Rs.1000
b) Rs.1200
c) Rs.1500
d) Rs.2000



Answer
Solution
Correct Answer Is : Rs.1200
Solution Is :
A sum of money becomes eight times in 3 years, if the rate is compounded annually. In how much time will the same amount at the same compound rate become sixteen times?

a) 6 years
b) 4years
c) 8 years
d) 5 years



Answer
Solution
Correct Answer Is : 4years
Solution Is :
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