1) 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

11 1/2 years

12 1/2 years

12 years

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

Rs.324

Rs.270

Rs.345

Rs.275

3) 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.157.50

Rs.115.50

Rs.107.50

Rs.177.50

4) 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?

X2 = yz

Y2 = xz

Z2 = xy

xyz = 1

5) 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?

Rs.1640

Rs.1678

Rs.2341

None

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

Rs.500

Rs.525

Rs.555

Rs.550

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

10 %

20 %

15 %

22 1/2%

8) 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 %

None

6 2/3 years; 6 2/3 %

4 2/3 years; 4 2/3 %

9) 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?

4:3

2:3

3:4

None

10) 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.750

Rs.600

Rs.500

Rs.1000

11) 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?

8 1/3 years

7 1/2 years

9 years

7 1/3 years

12) 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.1200

Rs.1300

Rs.1000

Rs.1500

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

15 years

30 years

17 1/2 years

20 years

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

30 %

27 1/2%

26 2/3 %

40 %

15) 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.1100

Rs.1050

Rs.1200

Rs.1000

16) 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.685

Rs.675

Rs.585

Rs.575

17) 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.1056

Rs.1182

Rs.992

Rs.1112

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

13 1/3 years

33 1/3 years

29 years

23 1/3 years

19) 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.640

None

Rs.500

Rs.3467

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

5%

6%

3 1/2 %

4 1/2%

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

5%

4%

6%

3%

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

3 1/2%

5%

4%

5 1/2 %

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

3 1/2%

3 1/3 %

4 %

4 1/2 %

24) 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.9680

Rs.9860

Rs.9380

Rs.9800

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

29 years

20 years

21 years

22 years

26) 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.2700

Rs.5000

Rs.2800

Rs.2500

27) 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?

None

5 1/4

4 1/4

2 1/4

28) 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.1500

Rs.900

Rs.800

Rs.1200

29) 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.500

Rs.450

Rs.400

Rs.550

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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