385 + Interview Questions in Simple Interest in Quantitative Aptitude Page 8 InterviewSolution

351.	Mr. Prakash borrowed a sum of Rs. 10000 from a finance company for 6 years at 8% per annum. The amount returned by Mr. Prakash to the finance company is:
Answer» RS. 14800 NA

351.

Mr. Prakash borrowed a sum of Rs. 10000 from a finance company for 6 years at 8% per annum. The amount returned by Mr. Prakash to the finance company is:

Answer»

RS. 14800

NA

Discussion

352.	If a sum of money amounts to ₹ 12900 and ₹ 14250 at the end of 4th year and 5th year respectively a certain rate of simple interest, then the rate of interest is
Answer» 18% NA

352.

If a sum of money amounts to ₹ 12900 and ₹ 14250 at the end of 4th year and 5th year respectively a certain rate of simple interest, then the rate of interest is

Answer»

18%

NA

Discussion

353.	At what rate of percent per annum will a sum of money double in 8 years?
Answer»

Discussion

354.	A person invested Rs. 25000 in bank for 2 years at simple interest at rate 30% per annum. After 2 years, the person invested the whole amount in another scheme for 3 years at C.I at 10%?find Interest
Answer» Rs. 28240 After TWO years, the SIMPLE interest would be 25000 x 30 x 2 / 100 = 15000 ∴ Amount = 25000+15000 = 40000 Now, the COMPOUND interest in three years, would be 40000 x (110/100)3 - 40000 = 53240 - 40000 = 13240 ∴ Total interest received = 15000 + 13240

354.

A person invested Rs. 25000 in bank for 2 years at simple interest at rate 30% per annum. After 2 years, the person invested the whole amount in another scheme for 3 years at C.I at 10%?find Interest

Answer»

Rs. 28240

After TWO years, the SIMPLE interest would be
25000 x 30 x 2 / 100 = 15000
∴ Amount = 25000+15000 = 40000
Now, the COMPOUND interest in three years, would be
40000 x (110/100)3 - 40000
= 53240 - 40000
= 13240
∴ Total interest received = 15000 + 13240

Discussion

355.	A person took some amount with some interest for 1 years, but increase the interest for 2%, he paid Rs.60/- extra, then how much amount he took?
Answer» Rs. 3000 Only 1 year = 60/1 = 60 Rate of INTEREST = 2% 100/2% * 60 = Rs.3000/- P = Rs.3000/-

355.

A person took some amount with some interest for 1 years, but increase the interest for 2%, he paid Rs.60/- extra, then how much amount he took?

Answer»

Rs. 3000

Only 1 year = 60/1 = 60

Rate of INTEREST = 2%

100/2% * 60 = Rs.3000/-

P = Rs.3000/-

Discussion

356.	If x, y, z are three sums of money such that is the simple interest on x and z is the simple interest on y for the same time and at the same rate of interest, then we have
Answer» Y2 = zx NA

356.

If x, y, z are three sums of money such that is the simple interest on x and z is the simple interest on y for the same time and at the same rate of interest, then we have

Answer»

Y2 = zx

NA

Discussion

357.	A sum of money lent on simple interest triples itself in 15 years and 6 months. In how many year will it be doubled?
Answer» 7 YR 9 months NA

357.

A sum of money lent on simple interest triples itself in 15 years and 6 months. In how many year will it be doubled?

Answer»

7 YR 9 months

NA

Discussion

358.	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
Answer» Rs. 20,000 Let the second AMOUNT be Rs. X. Then, (12000 * 10 * 1)/100 + (x * 20 * 1)/100 = [(12000 + x) * 14 * 1] / 100 120000 + 20x = 16800 + 14x x = 8000 Total investment = 12000 + 8000 = Rs. 20,000.

358.

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

Answer»

Rs. 20,000

Let the second AMOUNT be Rs. X. Then,

(12000 * 10 * 1)/100 + (x * 20 * 1)/100 = [(12000 + x) * 14 * 1] / 100

120000 + 20x = 16800 + 14x

x = 8000

Total investment = 12000 + 8000 = Rs. 20,000.

Discussion

359.	What will be the simple interest on Rs. 700 at 9% per annum for the period from February 5, 1994 to April 18, 1994?
Answer» RS. 12.60 NA

359.

What will be the simple interest on Rs. 700 at 9% per annum for the period from February 5, 1994 to April 18, 1994?

Answer»

RS. 12.60

NA

Discussion

360.	A certain sum amounts to Rs 2100 at 5% rate of interest. What is the sum ?
Answer» RS. 2000 Sum = 2100 (100/105)

360.

A certain sum amounts to Rs 2100 at 5% rate of interest. What is the sum ?

Answer»

RS. 2000

Sum = 2100 (100/105)

Discussion

361.	A sum fetched a total simple interest of Rs. 5025 at the rate of 10 p.c.p.a. in 7 years. What is the sum?
Answer» 7178.57 NA

361.

A sum fetched a total simple interest of Rs. 5025 at the rate of 10 p.c.p.a. in 7 years. What is the sum?

Answer»

7178.57

NA

Discussion

362.	Find the principle on a certain sum of money at 5% per annum for 2 2/5 years if the amount being Rs.1120?
Answer» <P> 1000 1120 = P [1 + (5*12/5)/100] P= 1000

362.

Find the principle on a certain sum of money at 5% per annum for 2 2/5 years if the amount being Rs.1120?

Answer»

<P> 1000

1120 = P [1 + (5*12/5)/100]

P= 1000

Discussion

363.	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?
Answer» 12 1/2 years 100 ---- 200 ---- 5

363.

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?

Answer»

12 1/2 years

100 ---- 200 ---- 5

Discussion

364.	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
Answer» Rs.2875 NA

364.

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

Answer»

Rs.2875

NA

Discussion

365.	Paint needs to be thinned to a ratio of 2 parts paint to 1.5 parts water. The painter has by mistake added water so that he has 6 litres of paint which is half water and half paint. What must he add t
Answer» 1 LITRE PAINT NA

365.

Paint needs to be thinned to a ratio of 2 parts paint to 1.5 parts water. The painter has by mistake added water so that he has 6 litres of paint which is half water and half paint. What must he add t

Answer»

1 LITRE PAINT

NA

Discussion

366.	The simple interest on Rs. 10 for 4 months at the rate of 3 paise per rupee per month is :
Answer» RS. 1.20 NA

366.

The simple interest on Rs. 10 for 4 months at the rate of 3 paise per rupee per month is :

Answer»

RS. 1.20

NA

Discussion

367.	What will be the compound interest on Rs. 24000 after 3 years at the rate of 10% per annum ?
Answer» 7944 CI = 24000 X (1.1)3 - 24000 = 31944 - 24000 = 7944

367.

What will be the compound interest on Rs. 24000 after 3 years at the rate of 10% per annum ?

Answer»

7944

CI = 24000 X (1.1)3 - 24000
= 31944 - 24000 = 7944

Discussion

368.	In how many years will sum of Rs 4000 yield an interest of Rs. 1080/- at 9% p.a?
Answer» 3 YEARS P = Rs.4000/- T = ? R = 9% I = Rs.1080/- I = PTR/100 T = I100/PR T = 1080100/400*9 T = 3 years

368.

In how many years will sum of Rs 4000 yield an interest of Rs. 1080/- at 9% p.a?

Answer»

3 YEARS

P = Rs.4000/-

T = ?

R = 9%

I = Rs.1080/-

I = PTR/100

T = I*100/PR

T = 1080*100/400*9
T = 3 years

Discussion

369.	Find simple interest on Rs.5000/- at 12% p.a, for 2 years?
Answer» Rs.1200/- NA

369.

Find simple interest on Rs.5000/- at 12% p.a, for 2 years?

Answer»

Rs.1200/-

NA

Discussion

370.	Sachin borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediately lends money to Rahul at 25/4% p.a. for 2 years. Find the gain of one year by Sachin.
Answer» 112.50 Two THINGS need to give attention in this question, FIRST we need to calculate gain for 1 year only. Second, where we take money at some interest and lends at other, then we use to subtract each other to get result in this TYPE of question. LETS solve this Simple Interest question now. Gain in 2 year = [((5000×25×2)/(4*100))−((5000×4×2)/100)] =(625−400)=225 So gain for 1 year = 225/2=112.50

370.

Sachin borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediately lends money to Rahul at 25/4% p.a. for 2 years. Find the gain of one year by Sachin.

Answer»

112.50

Two THINGS need to give attention in this question, FIRST we need to calculate gain for 1 year only.
Second, where we take money at some interest and lends at other, then we use to subtract each other to get result in this TYPE of question. LETS solve this Simple Interest question now.

Gain in 2 year =
[((5000×25×2)/(4*100))−((5000×4×2)/100)]
=(625−400)=225
So gain for 1 year = 225/2=112.50

Discussion

371.	The borrow taken by a man, for every 6 years it will be 3 times, then how much time it will be taken For 8 times:
Answer» 21 YEARS (R)2% ------> 6 years 7/2% * 6 = 21 years

371.

The borrow taken by a man, for every 6 years it will be 3 times, then how much time it will be taken For 8 times:

Answer»

21 YEARS

(R)2% ------> 6 years

7/2% * 6 = 21 years

Discussion

372.	Mahesh invested an amount of Rs. 12050 at simple interest. He got an amount of Rs. 13,496 at the end of 2 years. At what rate of interest did he invest ?
Answer» 6 % PER annum SI = RS. (13496 - 12050)

372.

Mahesh invested an amount of Rs. 12050 at simple interest. He got an amount of Rs. 13,496 at the end of 2 years. At what rate of interest did he invest ?

Answer»

6 % PER annum

SI = RS. (13496 - 12050)

Discussion

373.	A sum of Rs. 1550 was lent partly at 5% and partly at 8% p.a. simple interest . the total interest received after 3 years was Rs. 300. The ratio of the money lent at 5% to that lent at 8% is :
Answer» 16 : 15 NA

373.

A sum of Rs. 1550 was lent partly at 5% and partly at 8% p.a. simple interest . the total interest received after 3 years was Rs. 300. The ratio of the money lent at 5% to that lent at 8% is :

Answer»

16 : 15

NA

Discussion

374.	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 ?
Answer» 6 NA

374.

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 ?

Answer»

6

NA

Discussion

375.	The simple interest on a sum of money will be Rs 500 after 3 years. In the next 6 years, the principal becomes 5 times. What will be the total interest at the end of 8 years ?
Answer» RS 5500 Si for 3 YEARS = pxrx3/100 = 500 ∴ 3pr = 50000

375.

The simple interest on a sum of money will be Rs 500 after 3 years. In the next 6 years, the principal becomes 5 times. What will be the total interest at the end of 8 years ?

Answer»

RS 5500

Si for 3 YEARS = pxrx3/100 = 500
∴ 3pr = 50000

Discussion

376.	What annual instalment will discharge a debt of Rs 1092 due in 3 years at 12% simple interest?
Answer» Rs.325 NA

376.

What annual instalment will discharge a debt of Rs 1092 due in 3 years at 12% simple interest?

Answer»

Rs.325

NA

Discussion

377.	In how many years will a sum of money double itself at 16% per annum.
Answer» 6 YEARS 3 months NA

377.

In how many years will a sum of money double itself at 16% per annum.

Answer»

6 YEARS 3 months

NA

Discussion

378.	What annual payment will discharge a debt of Rs. 6450 due in 4 years at 5% simple interest ?
Answer» RS. 1500 NA

378.

What annual payment will discharge a debt of Rs. 6450 due in 4 years at 5% simple interest ?

Answer»

RS. 1500

NA

Discussion

379.	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%?
Answer» Rs.500 (x51)/100 + [(1500 - x)61]/100 = 85 5x/100 + 90 – 6x/100 = 85 x/100 = 5 => x = 500

379.

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%?

Answer»

Rs.500

(x*5*1)/100 + [(1500 - x)*6*1]/100 = 85

5x/100 + 90 – 6x/100 = 85

x/100 = 5

=> x = 500

Discussion

380.	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?
Answer» 0.3% Let the second AMOUNT be Rs. X. Then, (12000 * 10 * 1)/100 + (x * 20 * 1)/100 = [(12000 + x) * 14 * 1] / 100 120000 + 20X = 16800 + 14x x = 8000 Total INVESTMENT = 12000 + 8000 = Rs. 20,000.

380.

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?

Answer»

0.3%

Let the second AMOUNT be Rs. X. Then,

(12000 * 10 * 1)/100 + (x * 20 * 1)/100 = [(12000 + x) * 14 * 1] / 100

120000 + 20X = 16800 + 14x

x = 8000

Total INVESTMENT = 12000 + 8000 = Rs. 20,000.

Discussion

381.	A sum of Rs. 800 amounts to Rs. 920 in 8 years at simple interest. Interest rate is increased by 3%, it would amount to how much ?
Answer» 992 NA

381.

A sum of Rs. 800 amounts to Rs. 920 in 8 years at simple interest. Interest rate is increased by 3%, it would amount to how much ?

Answer»

992

NA

Discussion

382.	A sum becomes 6 fold at 5% per annum. At what rate, the sum becomes 12 fold?
Answer» 11% NA

382.

A sum becomes 6 fold at 5% per annum. At what rate, the sum becomes 12 fold?

Answer»

11%

NA

Discussion

383.	How long will it take for a sum of money to grow from Rs.1250 to Rs.10,000, if it is invested at 12.5% pa simple interest?
Answer» 56 None of these

383.

How long will it take for a sum of money to grow from Rs.1250 to Rs.10,000, if it is invested at 12.5% pa simple interest?

Answer»

56

None of these

Discussion

384.	If the simple interest on Rs. 1120 for 2 years is Rs.8000/-, what is the rate of interest percent per annum?
Answer» 7% NA

384.

If the simple interest on Rs. 1120 for 2 years is Rs.8000/-, what is the rate of interest percent per annum?

Answer»

7%

NA

Discussion

385.	The interest on a certain deposit at 4.5% p.a. is Rs. 202.50 in one year. How much will he additional interest in one year be on the same deposit at 5% p.a. ?
Answer» RS. 22.50 NA

385.

The interest on a certain deposit at 4.5% p.a. is Rs. 202.50 in one year. How much will he additional interest in one year be on the same deposit at 5% p.a. ?

Answer»

RS. 22.50

NA

Discussion

Explore topic-wise InterviewSolutions in .

Mr. Prakash borrowed a sum of Rs. 10000 from a finance company for 6 years at 8% per annum. The amount returned by Mr. Prakash to the finance company is:

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At what rate of percent per annum will a sum of money double in 8 years?

A person invested Rs. 25000 in bank for 2 years at simple interest at rate 30% per annum. After 2 years, the person invested the whole amount in another scheme for 3 years at C.I at 10%?find Interest

A person took some amount with some interest for 1 years, but increase the interest for 2%, he paid Rs.60/- extra, then how much amount he took?

If x, y, z are three sums of money such that is the simple interest on x and z is the simple interest on y for the same time and at the same rate of interest, then we have

A sum of money lent on simple interest triples itself in 15 years and 6 months. In how many year will it be doubled?

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

What will be the simple interest on Rs. 700 at 9% per annum for the period from February 5, 1994 to April 18, 1994?

A certain sum amounts to Rs 2100 at 5% rate of interest. What is the sum ?

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Find the principle on a certain sum of money at 5% per annum for 2 2/5 years if the amount being Rs.1120?

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?

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

Paint needs to be thinned to a ratio of 2 parts paint to 1.5 parts water. The painter has by mistake added water so that he has 6 litres of paint which is half water and half paint. What must he add t

The simple interest on Rs. 10 for 4 months at the rate of 3 paise per rupee per month is :

What will be the compound interest on Rs. 24000 after 3 years at the rate of 10% per annum ?

In how many years will sum of Rs 4000 yield an interest of Rs. 1080/- at 9% p.a?

Find simple interest on Rs.5000/- at 12% p.a, for 2 years?

Sachin borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediately lends money to Rahul at 25/4% p.a. for 2 years. Find the gain of one year by Sachin.

The borrow taken by a man, for every 6 years it will be 3 times, then how much time it will be taken For 8 times:

Mahesh invested an amount of Rs. 12050 at simple interest. He got an amount of Rs. 13,496 at the end of 2 years. At what rate of interest did he invest ?

A sum of Rs. 1550 was lent partly at 5% and partly at 8% p.a. simple interest . the total interest received after 3 years was Rs. 300. The ratio of the money lent at 5% to that lent at 8% is :

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 ?

The simple interest on a sum of money will be Rs 500 after 3 years. In the next 6 years, the principal becomes 5 times. What will be the total interest at the end of 8 years ?

What annual instalment will discharge a debt of Rs 1092 due in 3 years at 12% simple interest?

In how many years will a sum of money double itself at 16% per annum.

What annual payment will discharge a debt of Rs. 6450 due in 4 years at 5% simple interest ?

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%?

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?

A sum of Rs. 800 amounts to Rs. 920 in 8 years at simple interest. Interest rate is increased by 3%, it would amount to how much ?

A sum becomes 6 fold at 5% per annum. At what rate, the sum becomes 12 fold?

How long will it take for a sum of money to grow from Rs.1250 to Rs.10,000, if it is invested at 12.5% pa simple interest?

If the simple interest on Rs. 1120 for 2 years is Rs.8000/-, what is the rate of interest percent per annum?

The interest on a certain deposit at 4.5% p.a. is Rs. 202.50 in one year. How much will he additional interest in one year be on the same deposit at 5% p.a. ?