laboursonline – MCQs, Mock Tests | Aptitude Aptitude Simple Interest Set 2

At what rate percent per annum will the simple interest on a sum of money be 2/5 of the amount in 10 years?

1. 4%
2. 5 2/3 %
3. 6%
4. 6 2/3 %

✅ Correct Answer: 1

In how much time would the simple interest on a certain sum be 0.125 times the principal at 10% per annum?

1. 1 1/4 years
2. 1 3/4 years
3. 2 1/4 years
4. 2 3/4 years

✅ Correct Answer: 1

A sum of money becomes 7/6 of itself in 3 years at a certain rate of simple interest. The rate per annum is?

1. 5 5/9 %
2. 6 5/9 %
3. 18%
4. 25%

✅ Correct Answer: 1

A lends Rs. 2500 to B and a certain to C at the same time at 7% p.a. simple interest. If after 4 years, A altogether receives Rs. 1120 as interest from B and C, then the sum lent to C is?

1. Rs. 700
2. Rs. 1500
3. Rs. 4000
4. Rs. 6500

✅ Correct Answer: 2

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?

1. 5%
2. 7%
3. 7 1/8 %
4. 10%

✅ Correct Answer: 4

The difference between the simple interest received from two different sources on Rs. 1500 for 3 years is Rs. 13.50. The difference between their rates of interest is?

1. 0.1%
2. 0.2%
3. 0.3%
4. 0.4%

✅ Correct Answer: 3

Peter invested an amount of Rs. 12,000 at the rate of 10% p.a simple interest and another amount at the rate of 20% p.a. simple interest. The total interest earned at the end of one year on the total amount invested became 14% p.a. Find the total amount invested?

1. Rs. 20,000
2. Rs. 22,000
3. . Rs. 24,000
4. Rs. 25,000

✅ Correct Answer: 1

If the annual rate of simple interest increases from 10% to 12 1/2 %, a man's yearly income increases by Rs. 1250. His principal in Rs. is?

1. 45000
2. 50000
3. 60000
4. 65000

✅ Correct Answer: 2

A money lender finds that due to a fall in the annual rate of interest from 8% to 7 3/4 % his yearly income diminishes by Rs. 61.50, his capital is?

1. Rs. 22,400
2. Rs. 23,800
3. Rs. 24,600
4. Rs. 26,000

✅ Correct Answer: 3

The price of a T.V. set worth Rs. 20000 is to be paid in 20 installments of Rs. 1000 each. If the rate of interest be 6% per annum, and the first installment be paid at the time of purchase, then the value of the last installment covering the interest as well will be?

1. Rs. 1050
2. Rs. 2050
3. Rs. 3000
4. None of These

✅ Correct Answer: 4

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?

1. Rs. 6400
2. Rs. 6500
3. Rs. 7200
4. Rs. 7500

✅ Correct Answer: 1

An amount of Rs. 100000 is invested in two types of shares. The first yields an interest of 9% p.a and the second, 11% p.a. If the total interest at the end of one year is 9 3/4 %, then the amount invested in each share was?

1. Rs. 52500; Rs. 47500
2. Rs. 62500; Rs. 37500
3. Rs. 72500; Rs. 27500
4. Rs. 82500; Rs. 17500

✅ Correct Answer: 2

David invested certain amount in three different schemes. A, B and C with the rate of interest 10% p.a., 12% p.a. and 15% p.a. respectively. If the total interest accrued in one year was Rs. 3200 and the amount invested in scheme C was 150% of the amount invested in scheme A and 240% of the amount invested in scheme B, what was the amount invested in scheme B?

1. Rs. 5000
2. Rs. 6500
3. Rs. 8000
4. None of these

✅ Correct Answer: 1

A person invested in all Rs. 2600 at 4%, 6% and 8% per annum simple interest. At the end of the year, he got the same interest in all the three cases. The money invested at 4% is?

1. Rs. 200
2. Rs. 600
3. Rs. 800
4. Rs. 1200

✅ Correct Answer: 4

Divide Rs. 2379 into 3 parts so that their amounts after 2, 3 and 4 years respectively may be equal, the rate of interest being 5% per annum at simple interest. The first part is?

1. Rs. 759
2. Rs. 792
3. Rs. 818
4. Rs. 828

✅ Correct Answer: 4

The simple interest on a sum of money is 1/9 of the principal and the number of years is equal to the rate percent per annum. The rate percent per annum is

1. 3
2. 1/3
3. 31/3
4. 3/10

✅ Correct Answer: 3

A sum of money will double it set in 16 years at simple interest with a yearly rate of:

1. 10%
2. 6 1/4 %
3. 8 %
4. 16 %

✅ Correct Answer: 2

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

1. Rs. 1056
2. Rs. 1112
3. Rs. 1182
4. Rs. 992

✅ Correct Answer: 4

A sum of money at simple interest amount to Rs. 2240 in 2 years and Re. 2600 in 5 years. The sum is:

1. Rs. 1880
2. Rs. 2000
3. Rs. 2120
4. data inadequate

✅ Correct Answer: 2

A certain sum of money at simple interest amounts to Rs. 1260 in 2 years and to Rs. 1350 in 5 years. The rate percent per annum is:

1. 2.5%
2. 3.75 %
3. 5 %
4. 7.5 %

✅ Correct Answer: 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:

1. 4%
2. 5%
3. 10%
4. 12%

✅ Correct Answer: 2

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

1. Rs. 600
2. Rs. 900
3. Rs. 1200
4. data inadequate

✅ Correct Answer: 3

The simple interest on a sum of money at 8% per annum for 6 years is half the sum. The sum is:

1. Rs. 4800
2. Rs. 6000
3. Rs. 8000
4. Data Inadequate

✅ Correct Answer: 4

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

1. 5%
2. 10%
3. 12%
4. Data Inadequate

✅ Correct Answer: 1

A certain sum of money at simple interest amounts to Rs. 1012 in 2 ½ years and to Rs. 1067.20 in 4 years. The rate of interest per annum is:

1. 2.5 %
2. 3 %
3. 4%
4. 5%

✅ Correct Answer: 3

A person invests money in three different schemes for 6 years, 10 years and 12 years at 10 %, 12 %, and 15 %. Simple interest respectively. At the completion of each scheme, he gets the same interest. The ratio of his investments is

1. 2: 3:4
2. 3: 4: 2
3. 3: 4: 6
4. 6: 3: 2

✅ Correct Answer: 4

Simple interest on Rs.500 for 4 years at 6.25 % per annum is equal to the simple interest on Rs. 400 at 5 % per annum for a certain period of time. The period of time is?

1. 4 Years
2. 5 years
3. 6 ¼ years
4. 8 2/3 years

✅ Correct Answer: 3

A borrows Rs.800 at the rate of 12 % per annum. Simple interest and B borrows Rs.910 at the rate of 10 % per annum simple interest. In how many years will their amounts at debts be equal?

1. 18 years
2. 20 years
3. 22 years
4. 24 years

✅ Correct Answer: 3

Rs.6000 becomes Rs.7200 in 4 years at a certain rate of interest. If the rate becomes 1.5 times of itself. The amount of the same principle in 5 years will be?

1. Rs.8000
2. Rs.8250
3. Rs.9000
4. Rs.9250

✅ Correct Answer: 2

Kruti took a loan at simple interest at 6 % in the first year with an increase of 0.5 % in each subsequent year. She paid Rs. 3375 as interest after 4 years. How much loan did she take?

1. Rs.12500
2. Rs.15800
3. Rs.33250
4. Cannot be determined

✅ Correct Answer: 1

Kruti took a loan at simple interest at 6 % in the first year with an increase of 0.5 % in each subsequent year. She paid Rs. 3375 as interest after 4 years. How much loan did she take?

1. Rs.12500
2. Rs.15800
3. Rs.33250
4. Cannot be determined

✅ Correct Answer: 1

At what rate of simple interest a certain sum will be doubled in 15 years?

1. 5 ½ % p.a
2. 6 % p.a
3. 6 2/3 % p.a
4. 7 ½ % p.a

✅ Correct Answer: 3

A certain sum is interested in simple interest if it triples in 10 years. What is the rate of interest?

1. 18 % p.a
2. 20 % p.a
3. 22 %p.a
4. 25% p.a

✅ Correct Answer: 3

In how many years a sum will be thrice of it at the rate of 10% per annum?

1. 15 Years
2. 20 Years
3. 30 years
4. 40 years

✅ Correct Answer: 2

A man invests 1/3 of his capital at 7 % p.a ¼ at 8 % p.a and the remainder at 10 % p.a. if his annual income is Rs.561 the capital is?

1. Rs.5400
2. Rs.6000
3. Rs.6600
4. Rs.7200

✅ Correct Answer: 3

A certain sum of money becomes three times of itself in 20 years at simple interest in how many years does it become double of itself at the same rate?

1. 8 years
2. 10 Years
3. 12 years
4. 14 years

✅ Correct Answer: 2

If the simple interest on a certain sum of money for 15 months at 7 ½ % p.a exceeds the simple interest on the same sum for 8 months at 12 ½ % p.a by Rs.32.50. The sum is

1. Rs.312
2. Rs.312.50
3. Rs.3120
4. Rs.3120.50

✅ Correct Answer: 3

Rs.2000 amount to Rs. 2600 in 5 years at simple interest if the interest rate were increased by 3 %. It would amount to how much?

1. Rs.2900
2. Rs.3200
3. Rs.3600
4. None of These

✅ Correct Answer: 1

If the annual rate of simple interest increases from 10 % to 12 ½ % a man's annual income increases by Rs. 1250. The principle is?

1. Rs. 4500
2. Rs.50000
3. Rs.60000
4. Rs.65000

✅ Correct Answer: 2

Simple interest on a certain sum at a certain amount and rate of interest is 25/16 of the sum. If the numbers representing rate percent and time in years be equal than rate percent per annum is?

1. 8 %
2. 11 ½ %
3. 12 ¼ %
4. 12 ½ %

✅ Correct Answer: 4

On a certain sum, the simple interest at the end of 12 ½ years becomes ¾ of the sum. What is the rate percent per annum?

1. 4 %
2. 5 %
3. 6 %
4. 8 %

✅ Correct Answer: 3

With a given rate of simple interest the ratio of the principle and amount for a certain period of time is 4: 5. After 3 years with the same rate of interest to the ratio of the principle and amount becomes 5: 7. The ratio of interest per annum is?

1. 4 %
2. 5 %
3. 6 %
4. 7 %

✅ Correct Answer: 2

Rs.1000 is invested at 5 % p.a simple interest if the interest is added to the principle after every 10 years. The amount will become Rs. 2000 After

1. 15 Years
2. 16 2/3 Years
3. 20 Years
4. 20 Years

✅ Correct Answer: 4

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:

1. 5%
2. 8%
3. 12%
4. 15%

✅ Correct Answer: 3

What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?

1. 1 : 3
2. 1 : 4
3. 2 : 3
4. Data inadequate

✅ Correct Answer: 3

A person borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at 6p.a for 2 years. Find his gain in the transaction per year.

1. Rs. 112.50
2. Rs. 125
3. Rs. 150
4. Rs. 167.50

✅ Correct Answer: 1

Simple interest on a certain sum at a certain annual rate of interest is 1/9 of the sum. If the numbers representing rate percent and time in years be equal, then the rate of interest is:

1. 5
2. 8
3. 3 1/3
4. 2 2/3

✅ Correct Answer: 3