Practice Questions for Arithmetic - Simple & Compound Interest

1. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

Find the interest on Rs. 500 for 9 years @ 5% p.a

(a)
Rs. 245
(b)
Rs. 225
(c)
Rs. 200
(d)
Rs. 340

2. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

What sum lent out at 12% p.a. will amounts to Rs. 620 in 2 years

(a)
600
(b)
4500
(c)
550
(d)
500

3. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

Find the percent p.a. at which Rs. 500 amounts to Rs. 800 in 12 years?

(a)
5%
(b)
5.5%
(c)
4.5%
(d)
6%

4. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

The simple interest on a sum of money at the end of 16 years is $\frac{4}{5}$ th of the sum itself. Find the rate percent p.a.

(a)
4.5%
(b)
5%
(c)
5.5%
(d)
6%

5. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

To repay a sum of money borrowed 10 months earlier a man agreed to pay Rs. 2119. Find the amount borrowed if the rate interest charged was 2.25% p.a.

(a)
Rs. 2080
(b)
Rs. 2000
(c)
Rs. 1800
(d)
Rs. 1900

6. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

What sum of money will amount to Rs. 8800 in 12 years at the same rate of simple interest at which Rs. 1706 amounts to Rs. 3412 in 10 years?

(a)
4250
(b)
4100
(c)
4000
(d)
None of these

7. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

A man deposited at a bank and withdraws Rs. 26,880 after 10 years at the rate of 6% S.I. Find the principal amount.

(a)
Rs. 15,800
(b)
Rs. 16000
(c)
Rs. 16,400
(d)
Rs. 16,800

8. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

certain sum of money becomes three times in 12 years at simple interest. The rate A of interest is

(a)
15%
(b)
$12 \frac{1}{2}$ %
(c)
$14 \frac{2}{3}$ %
(d)
$16 \frac{2}{3}$ %

9. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

Due to a fall in the rate of interest from 10% to $8 \frac{1}{2} %$ p.a. a money lender’s yearly income diminishes by Rs. 90. His capital is

(a)
Rs. 6000
(b)
Rs. 7000
(c)
Rs. 10000
(d)
Rs. 9000

10. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

An equal amount of money was lent at 5% and at 8% p.a. S.I. The total interest received after 3 years was Rs. 7800. Find how much was lent at 8%.

(a)
Rs. 17,000
(b)
Rs. 16,000
(c)
Rs. 20,000
(d)
Rs. 14,000

11. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

A sum of money doubles in 20 years at simple interest. In how many years will it be triple?

(a)
40 yrs
(b)
35 yrs
(c)
30 yrs
(d)
45 yrs

12. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

A sum of money triples in 10 years at simple interest. In how many years will it quadruple?

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7 8 9 4 5 6 1 2 3 0 . -

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13. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

A sum of money becomes 10 times in 18 years. In how many years will it become 100 times?

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7 8 9 4 5 6 1 2 3 0 . -

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14. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

A person invested a certain sum of money at a certain rate of interest, and twice the amount at a rate which was 4percentage points more than the percentage at which the first amount was invested. If on the average, the interest rate works out to be 19% at what rate was the first amount invested?

(a)
$16 \frac{1}{3}$ %
(b)
16%
(c)
15%
(d)
$14 \frac{3}{2}$ %

15. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

If Rs. 2800 amount to be Rs. 3696 in 4 years at S.I., find what sum will amount to Rs. 6336 in 11 years at half the rate.

(a)
Rs. 4400
(b)
Rs. 4000
(c)
Rs. 4700
(d)
Rs. 3900

16. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

Reena took a loan of Rs. 1200 with simple interest for as many years as the rate of interest. If she paid Rs. 432 as interest at the end of the loan period, what was the rate of interest?

(a)
3.6
(b)
6
(c)
18
(d)
Can't determine
(e)
None of these

17. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

A sum of Rs. 725 is lent in the beginning of a year at a certain rate of interest. After 8 months, a sum of Rs. 362.50 more is lent but at the rate twice the former. At the end of the year, Rs. 33.50 is earned as interest from both the loans. What was the original rate of interest?

(a)
3.46%
(b)
4.5%
(c)
5%
(d)
6%
(e)
None of these

18. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

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 2 years be Rs. 3508, what was the amount invested in Scheme B?

(a)
Rs. 6400
(b)
Rs. 6500
(c)
Rs. 7200
(d)
Rs. 7500
(e)
None of these

19. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?

(a)
3%
(b)
4%
(c)
5%
(d)
6%
(e)
None of these

20. CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

A lent Rs. 5000 to B for 2 years and Rs. 3000 to C for 4 years on simple interest at the same rate of interest and received Rs. 2200 in all from both of them as interest. The rate of interest per annum is:

(a)
5%
(b)
7%
(c)
$7 \frac{1}{8} %$
(d)
10%

CRE 1 - Simple Interest | Arithmetic - Simple & Compound Interest

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