1) In what time a sum of money double itself at 3% per annum simple interest?

29 years

13 1/3 years

33 1/3 years

23 1/3 years

2) Rs.800 amounts to Rs.920 in 3 years at simple interest. If the interest is increased by 3%, it would amount to how much?

Rs.992

Rs.1112

Rs.1182

Rs.1056

3) At what rate percent on simple interest will Rs.750 amount to Rs.900 in 5 years?

5 1/2 %

4%

5%

3 1/2%

4) If A lends Rs.3500 to B at 10% per annum and B lends the same sum to C at 11.5% per annum then the gain of B in a period of 3 years is?

Rs.177.50

Rs.157.50

Rs.107.50

Rs.115.50

5) What is the rate percent when the simple interest on Rs.800 amount to Rs.160 in 4 Years?

3 1/2 %

4 1/2%

5%

6%

6) In what time will Rs.4000 lent at 3% per annum on simple interest earn as much interest as Rs.5000 will earn in 5 years at 4% per annum on simple interest?

7 1/2 years

7 1/3 years

8 1/3 years

9 years

7) If Rs.450 amount to Rs.540 in 4 years, what will it amount to in 6 years at the same rate % per annum?

Rs.585

Rs.675

Rs.575

Rs.685

8) A sum of Rs. 2665 is lent into two parts so that the interest on the first part for 8 years at 3% per annum may be equal to the interest on the second part for 3 years at 5% per annum. Find the second sum?

None

Rs.1640

Rs.2341

Rs.1678

9) 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?

Rs.1200

Rs.800

Rs.900

Rs.1500

10) Find the principle on a certain sum of money at 5% per annum for 2 2/5 years if the amount being Rs.1120?

Rs.1000

Rs.1200

Rs.1100

Rs.1050

11) If x is the interest on y and y is the interest on z, the rate and time is the same on both the cases. What is the relation between x, y and z?

Z2 = xy

xyz = 1

Y2 = xz

X2 = yz

12) The simple interest on a sum of money is 4/9 of the principal and the number of years is equal to the rate percent. Find the rate and the time?

5 1/3 years; 5 1/3 %

4 2/3 years; 4 2/3 %

None

6 2/3 years; 6 2/3 %

13) What sum of money will produce Rs.70 as simple interest in 4 years at 3 1/2 percent?

Rs.500

Rs.555

Rs.525

Rs.550

14) If Re.1 amounts to Rs.9 over a period of 20 years. What is the rate of simple interest?

30 %

40 %

27 1/2%

26 2/3 %

15) A certain sum amounts to Rs.1725 in 3 years and Rs.1875 in 5 years. Find the rate % per annum?

5%

6%

4%

3%

16) Find the simple interest on Rs.500 for 9 months at 6 paisa per month?

Rs.275

Rs.345

Rs.324

Rs.270

17) If rupee one produces rupees nine over a period of 40 years, find the rate of simple interest?

20 %

15 %

22 1/2%

10 %

18) Sonika deposited Rs.8000 which amounted to Rs.9200 after 3 years at simple interest. Had the interest been 2% more. She would get how much?

Rs.9380

Rs.9800

Rs.9860

Rs.9680

19) 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?

Rs.550

Rs.450

Rs.400

Rs.500

20) A certain sum of money doubles itself in 10 years in how much many years will it trible itself at the same rate?

17 1/2 years

20 years

30 years

15 years

21) 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?

Rs.500

None

Rs.640

Rs.3467

22) 4000 was divided into two parts such a way that when first part was invested at 3% and the second at 5%, the whole annual interest from both the investments is Rs.144, how much was put at 3%?

Rs.2800

Rs.2500

Rs.5000

Rs.2700

23) At what rate percent on simple interest will a sum of money double itself in 30 years?

4 1/2 %

4 %

3 1/3 %

3 1/2%

24) In how many years will a sum of money doubles itself at 5% per annum on simple interest?

29 years

21 years

22 years

20 years

25) 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?

None

2:3

3:4

4:3

26) A sum of money becomes triple itself in 5 years at simple interest. How many years will it become six times at the same rate?

11 years

12 years

11 1/2 years

12 1/2 years

27) 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%?

Rs.1300

Rs.1000

Rs.1500

Rs.1200

28) A sum of money becomes double itself in 8 years at simple interest. How many times will it become 10 years at the same rate?

4 1/4

5 1/4

None

2 1/4

29) Rs.1500 is divided into two parts such that if one part is invested at 6% and the other at 5% the whole annual interest from both the sum is Rs.85. How much was lent at 5%?

Rs.600

Rs.500

Rs.1000

Rs.750

30) A certain sum of money at simple interest amounted Rs.840 in 10 years at 3% per annum, find the sum?

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