# Aptitude Logical Reasoning Simple Interest 2020 RRB Group D (NRA) Part 8

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1. A lent Rs. 600 to B for 2 years and Rs. 150 to c for 4 years and receive as together from both Rs. 90 as simple interest. The rate of interest is:

A.

B.

C.

D.

2. The simple interest on a sum of money will be Rs. 600 after 10 years. If the principal is trebled after 5 years which will be the total interest at the end of the tenth year?

A. Rs. 600

B. Rs. 900

C. Rs. 1200

3. The simple interest on a sum of money at per annum for 6 years is half the sum. The sum is:

A. Rs. 4800

B. Rs. 6000

C. Rs. 8000

4. At simple interest, a sum doubles after 20 years. The rate of interest per annum is:

A.

B.

C.

5. A certain sum of money at simple interest amounts to Rs. 1012 in years and to Rs. in 4 years. The rate of interest per annum is:

A.

B.

C.

D.

6. The rate of interest on a sum of money is per annum for the first 2 years. per annum for the next 4 years and per annum for the period beyond 6 years. If the simple interest accrued by the sum for a total period of 9 years is Rs. 1120, what is the sum?

A. Rs. 1500

B. Rs. 2000

C. Rs. 2500

D. Rs. 4000

7. How much simple interest will Rs. 2000 earn in 18 months at per annum?

A. Rs. 120

B. Rs.180

C. Rs.216

D. Rs.240

8. A man deposited Rs. 400 for 2 years. Rs.550 for 4 years and Rs.1200 for 6 years. He received Rs.1020 as the total simple interest. The rate of interest per annum is?

A.

B.

C.

D.

9. A sum of money amounts to Rs.5200 in 5 years and to a Rs.5680 in 7 years at simple interest. The rate of interest per annum is?

A. 3 %

B. 4 %

C. 5 %

D. 6 %

10. At which sum the simple interest at the rate of per annum will be Rs. 210 in years?

A. Rs.1580

B. Rs.2400

C. Rs.2800

D. None of these