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51.

A man lent ₹ 60,000, partly at 5% and the rest at 4% simple interest. If the total annual interest is ₹ 2560, the money lent at 4% was

Answer»

44000



NA

52.

A person lent a certain sum of money at 4% per annum at simple interest and in 8 years the interest amounted to Rs.340 less than the sum lent. What was the sum lent?

Answer»

<P> Rs.500



P - 340 = (P*4*8)/100

P = 500

53.

Sanjay deposited Rs. 5000 in the bank. The bank offered simple interest at the rate of 12 per cent per year. After 5 years the total amount received by him will be:

Answer»

RS. 8,000



NA

54.

In how many years will a sum of Rs.800 at 10% per annum compounded semi annually become Rs.926.10

Answer»

1.5



NA

55.

Geeta borrowed some money at the rate of 6% p.a for the first two years, at the rate of 9% p.a for the next three years, and at the rate of 14% p.a for the period beyond five years. If she pays a tota

Answer»

 RS 12,000



NA

56.

Rs.2500 is divided into two parts such that if one part be put out at 5% simple interest and the other at 6%, the yearly annual income may be Rs.140. How much was lent at 5%?

Answer»

1000



(x*5*1)/100 + [(2500 - x)*6*1]/100 = 140

X = 1000

57.

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 ?

Answer»

 RS. 8925



NA

58.

If simple interest on a certain sum of money is Rs. 256 and the rate of interest per annum equals the number of years, then the rate of interest is:

Answer»

16%



NA

59.

A sum of money amounts to Rs. 9800 after 5 years and Rs. 12005 after 8 years at the same rate of simple interest. The rate of interest per annum is:

Answer»

12%



NA

60.

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

Answer»

RS. 6400



NA

61.

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. ?

Answer»

RS. 22.50



NA

62.

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.

Answer»

 RS 600



NA

63.

An amount of Rs. 100000 is invested in two types of shares. The first yields an interest of 9% p.a and the second, 11% p.a. If the total interest at the end of one year is 9 3/4 %, then the amount inv

Answer»

RS. 62500; Rs. 37500



Let the sum invested at 9% be Rs. x and that invested at 11% be Rs. (100000 - x). Then,

(x * 9 * 1)/100 + [(100000 - x) * 11 * 1]/100 = (100000 * 39/4 * 1/100)

(9x + 1100000 - 11x)/100 = 39000/4 = 9750

x = 62500

Sum invested at 9% = Rs. 62500

Sum invested at 11% = Rs. (100000 - 62500) = Rs. 37500.

64.

In what time will the simple interest on Rs 400 at 10% per annum be the same as the simple interest on Rs 1000 for 4 year at 4 % per annum?

Answer»

4 yrs



NA

65.

Find the principle, interest on Rs. 1200 at 8% p.a. for 2 years?

Answer»

Rs. 7500



P = ? 
T = 2 years 
R = 8
I = Rs.1200/- 
I = PTR/100 
P = 100I/TR 
P = (100*1200)/2*8 
P = Rs. 7500/-

66.

If the rate of simple interest is 12% per annum the amount that would fetch interest of Rs 6000 per annum is ?

Answer»

RS 50000



NA

67.

Find the compound interest on Rs. 1000 at the rate of 20% per annum for 18 month when interest is compounded half yearly.

Answer»

RS. 331



NA

68.

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

Answer»

RS. 8000



NA

69.

A sum of money trebles itself in 15 years 6 months. In how many years would it double itself ?

Answer»

7 YEARS 9 months



NA

70.

A man invests a certain sum of money at 6% p.a. simple interest and another sum at 7% p.a. simple interest . His income from interest after 2 years was Rs. 354 . One fourth of the first sum is equ

Answer»

RS. 2700



NA

71.

A part of certain sum of money is invested at 9% per annum and the rest at 12% per annum, if the interest earned in each case for the same period is equal, then ratio of the sums invested is?

Answer»

4:3



12:9

= 4:3

72.

A loan shark made a loan of $100 to be repaid with $120 at the end of one month. What was the annual interest rate?

Answer»

240%



NA

73.

A sum becomes 4 times at simple interest in 10 years. What is the rate of interest?

Answer»

30%



NA

74.

A person took some amount with some interest for 3 years, but increase the interest will be increase From 7% to 9%. He paid Rs. 240 extra, then howmuch amount he took?

Answer»

Rs.4000/-



NA

75.

The equal amounts of money are deposited in two banks each at 15% per annum for 3.5 years and 5 years respectively. If the difference between their interests is Rs.144, find the each sum?

Answer»

<P> Rs.640



(P*5*15)/100 - (P*3.5*15)/100 = 144

75P/100 –52.5P/100 = 144

22.5P = 144 * 100 

=> P = Rs.640

76.

Rakesh lent out ₹ 8750 at 7% annual interest, Find the simple interest in 3 yr.

Answer»

1837.50



NA

77.

How much time will it take for an amount of Rs. 900 to yield Rs. 81 as interest at 4.5% per annum of simple interest?

Answer»

2 years



NA

78.

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

Answer»

Rs.6400



NA

79.

A sum of Rs. 880 becomes Rs. 1557.60 in 7 years. What is the rate of interest per annum ?

Answer»

 11%



NA

80.

Pinky invested an amount of ₹ 24500 at the rate of 9% per annum. After how many years will she get a simple interest of ₹ 37485 ?

Answer»

 17 years



NA

81.

Pooja borrowed some money at the rate of 6% per annum for the first 3 year, at the rate of 9% per annum for the next 5 year and at the rate of 13% per annum for the period beyond 8 years. If she pays

Answer»

 8,000



NA

82.

At what rate of simple interest will ₹ 4,800 amount to ₹ 6,480 in a span of 7 years ?

Answer»

 5%



NA

83.

A sum of money placed at compound interest doubles itself in 4 years. In how many years will it amount to 8 times?

Answer»

9 years



NA

84.

Find simple interest on Rs.5000/- at 12% p.a. for 73days?

Answer»

Rs.120/-



NA

85.

At what rate present of simple interest will a sum of money double itself in 12 years?

Answer»

8 1/3%



NA

86.

If the total amount of simple interest on a sum of money at the rate of 8% per annum in 4 years is ₹ 571.20, then what is the principal ?

Answer»

1785



NA

87.

An investment bond is offered to the public at 9% p.a. Louise buys a bond worth $2000 that will mature in 2 years. How much in total will Louise receive at the end of the 2 years?

Answer»

2360



NA

88.

A lends Rs. 2500 to B and a certain sum to C at the same time at 7% per annum simple interest. If after 4 years, A altogether receives Rs. 1120 as interest from B and C, then the sum lent to C is:

Answer»

1500



NA

89.

In what time will Rs. 1000 amount to Rs.1331 at 20% per annum, compounded half - yearly ?

Answer»

 1 1/2 YEARS



1 1/2 years

90.

A man borrowed some amount, after 3 years he paid Rs.10,400/- with 10% interest, then how much Amount he borrowed?

Answer»

Rs. 8000



principal P = ? 
RATE of interest R = 10
Time T = 3 years 
Accumulated Amount A = Rs.10400/- 

A = P + I 
A = P + PTR/100 
A = P(1+ TR/100) 

Rs.10400/- = P [1 + 3*10/100] 
Rs.10400/- = P [1/1 + 3/10] 
Rs.10400/- = P [10+3/10] = P[13/10] 
Rs.10400/- = P * 13/10 
==> P = Rs.104000/13 
==> P = Rs. 8000

91.

A man invests a certain sum of money at 6% per annum simple interest and another sum at 7% per annum simple interest. His income from interest after 2 years was Rs. 354. One-forth of the first sum is

Answer»

Rs.2700



NA

92.

A man took 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.

Answer»

RS. 15000



NA

93.

A sum of money becomes 7„5 of itself in 4 years at a certain rate of simple interest. The rate per annum is :

Answer»

10%



NA

94.

What would be the accured compound interest on an amount of Rs. 6000 at the rate of 7% per annum for 2 years ?

Answer»

RS. 869.4



CI = 6000[(1 + 7/100)² - 1]
= 6000 [(1 + 0.07)² - 1]
= 6000 [1.1449 - 1]
= Rs. 869.4

95.

A person borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at p.a for 2 years. Find his gain in the transaction per year

Answer»

RS. 112.50



NA

96.

Saranya gives 50 times the rent per annum to purchase a plot from L.I.C. Find the rate of interest from the amount paid by him?

Answer»

2%



NA

97.

An amount grows upto Rs 6720 in one year and upto ?

Answer»

RS. 5600



Amount = 6720 X (6720/8064)1 = 5600

98.

Out of certain sum, 1/3rd is interested at 3%, 1/6th at 6% and rest at 8%. If the simple interest for 2 years from all these investments amounts to Rs. 600. Find the original sum.

Answer»

5000



NA

99.

The simple interest on a certain sum for 8 months at 4% per annum is ₹ 129 less than the simple interest on the same sum for 15 months at 5% per annum. What is the sum ?

Answer»

3600



NA

100.

The simple interest of an amount of Rs 8560 at the end of 5 years is Rs 5136. What is the rate of interest p.c.p.a.?

Answer»

12 %



LET the RATE % = R
Therefore, 5136 = 8560 X r x 5/100
Therefore, r = 12