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

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1. 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 equal to one-fifth of the second sum. The total sum invested was :

   A. Rs.3100 B. Rs.2700 C. Rs.2200 D. Rs.1800...

2. Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs. 4000 for 2 years at 10% per annum. The sum placed on simple interest is:_______?

   A. Rs. 1550 B. Rs. 1650 C. Rs. 1750 D. Rs. 2000...

3. The compound interest on a certain sum of money for 2 years at 10 % per annum is Rs.420. The simple interest on the same sum at the same rate and for the same time will be_______?

   A. Rs.350 B. Rs.375 C. Rs. 380 D. Rs. 400...

4. The S.I. on a certain sum of money for 3 years at 8% per annum is half the C.I. on Rs. 4000 for 2 years at 10% per annum. The sum placed on S.I. is________?

   A. Rs. 1550 B. Rs. 1650 C. Rs. 1750 D. Rs. 2000...

5. 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 :

   A. 5% B. 8% C. 12% D. 15%...

6. 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:

   A. 5% B. 8% C. 12% D. 15%...

7. If the simple interest on a certain sum of money after 3 1⁄8 years is 1⁄4 of the principal, what is the rate of interest per annum?

   A. 6% B. 4% C. 8% D. 12%...

8. If the rate of interest be 4% per annum for first year 5% per annum for the second year and 6% per annum from the third year then the compound interest of Rs 10000 for 3 years will be_________?

   A. Rs 1575.20 B. Rs 1600 C. Rs 1625.80 D. Rs 2000...

9. If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, what is the compound interest on the same sum at the rate and for the same time?

   A. Rs. 51.25 B. Rs. 52 C. Rs. 54.25 D. Rs. 60...

10. A lends Rs. 1500 to B and a certain sum to C at the same time at 8% per annum simple interest. If after 4 years, A altogether receives Rs. 1400 as interest from B and C, then the sum lent to C is________?

    A. Rs.2875 B. Rs.1885 C. Rs.2245 D. Rs.2615...