Arithmetic Simple Interest Problems for practice


Q1: At the rate of 8 1/2% p.a. simple interest, a sum of Rs. 4800 will earn how much interest in 2 years 3 months?.
796
816
918
956
None of these

Q2: What will be the simple interest earned on an amount of Rs. 16,800 in 9 mont the rate of 6 % p.a. ?
787.5
812.5
860
887.5
None of these


Q3: The simple interest on Rs. 1820 from March 9, 2003 to May 21, 2003 at 75% pa will be :
22.5
27.3
28.8
29
None of these

Q4: A person borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediatel lends it to another person at 6-% p.a. for 2 years. Find his gain in the transaction per year.
112.5
125
150
167.5
None of these

Q5: How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest, at 4.5% per annum of simple interest ?
3.5 years
4 years
4.5 years
5 years
None of these

Q6: 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 ?
3%
4%
5%
6%
None of these

Q7: 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 :
6%
6 1/4%
6 1/2%
6 3/4%
None of these

Q8: 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 ?
3.6
6
18
cannt be determined
None of these

Q9: 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 :
2000
10000
15000
20000
None of these

Q10: What is the present worth of Rs. 132 due in 2 years at 5% simple interest per annum ?
112
118.8
120
122
None of these

Q11: A sum fetched a total simple. interest of Rs. 4016.25 at the rate of 9 p.c.p.a. in 5 years. What is the sum ?
4462.5
8032.5
8900
8925
None of these

Q12: The simple interest at x% for x years will be Rs. X on a sum of :
x
100/x
100x
100/x2
None of these

Q13: Rs. 800 becomes Rs. 956 in 3 years at a certain rate of simple interest. If the fai of interest is increased by 4%, what amount will Rs. 800 become in 3 years :
1020.8
1025
1052
Data inadequate
None of these

Q14: A certain amount earns simple interest of Rs. 1750 after 7 years. Han O after 7 years. Had the interest been 2% more, how much more interest would it have earned ?
35
245
350
cannt be determined
None of these

Q15: In how many years, Rs. 150 will produce the same interest @ 8 % as Rs.800 produce in 3 years @ 4 1/2%?
6
8
9
12
None of these

Q16: If Rs.64 amounts to Rs.83.20 in 2 years, what will Rs.86 amount to in 4 years at the same rate percent per annum?.
114.8
124.7
127.4
137.6
None of these

Q17: The simple interest on a certain sum of money at the rate of 5% p.a.for 8 years is Rs.840.At what rate of interest the same amount of interest can be received on the same sum after 5 years?.
6%
8%
9%
10%
None of these

Q18: The interest on a certain deposit at 4.5% p.a. isRs.202.50in one year. How much will the additional interest in one year be on the same deposit at 5% p.a.?.
20.25
22.5
25
42.75
None of these

Q19: A sum invested at 5% simple interest per annum grows to Rs.504 in 4 years. The same amount at 10% simple interset per annum in 2 1/2 years will grow to:
420
450
525
550
None of these

Q20: What will be the simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?.
1 : 3
1 : 4
2 : 3
Data inadequate
None of these

Q21: 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 ?
8000
10000
12000
Data inadequate
None of these

Q22: The simple interest on a sum of money will be Rs. 600 after 10 years. If the principal is trebled after 5 years, what will be the total interest at the end of the tenth year ?
600
900
1200
1500
Data inadequate

Q23: The simple interest on Rs.10 for 4 months at the rate of 3 paise per rupee per month is:
1.2
1.6
2.4
3.6
None of these

Q24: 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 :
10%
10.25%
10.50%
None of these
Data inadequate

Q25: A sum of money at simple interest amounts to Rs. 815 in 3 years and to Re 4 years. The sum is :
650
690
698
700
None of these

Q26: A sum of money lent out at simple interest amounts to Rs. 720 after 2 years and to Rs.1020 after a further period 5 years. The sum is:
500
600
700
710
None of these

Q27: A sum of money amounts to Rs.9800 after 5 years and Rs.12005 after 8 years at the same rate of interest. The rate of interest per annum is:
5%
8%
12%
15%
None of these

Q28: A certain sum of money at simple interest amounts to Rs. 1012 in 21 Rs. 1067.20 in 4 years. The rate of interest per annum is :
2.50%
3%
4%
5%
None of these

Q29: In how many years will a sum of money double itself at 12% per annum ?
6 years 9 months
7 years 6 months
8 years 3 months
8 years 4 months
None of these

Q30: At what rate percent of simple interest will a sum of money double itself in
8 1/4%
8 1/3%
8 1/2%
9 1/2%
None of these
Q31: The rate at which a sum becomes four times of itself in 15 years at S.I, will be
15%
17 1/2%
20%
25%
None of these

Q32: If a sum of money at simple interest doubles in 6 years, it will become 4 times in.
12 years
14 years
16 years
18 years
None of these

Q33: A sum of money trebles itself in 15 years 6 months. In how many years would it danhla itself?
6 years 3 months
7 years 9 months
8 years 3 months
9 years 6 months
None of these


Q34: Consider the following statements : If a sum of money is lent at simple interest, then the er) 1. money gets doubled in 5 years if the rate of interest is 16 2/3%. 2. money gets doubled in 5 years if the rate of interest is 20%. 3. money becomes four times in 10 years if it gets doubled in 5 years. of these statements,
1 and 3 are correct
2 alone is correct
3 alone is correct
2 and 3 are correct
None of these

Q35: The simple interest on a sum of money at 8% per annum for 6 years is half the sun. The sun is :
4800
6000
8000
Data inadequate
None of these



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