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251.

4000 was divided into two parts such a way that when first part was invested at 3% and the second at 5%, the whole annual interest from both the investments is Rs.144, how much was put at 3%?

Answer»

Rs.2800



(x*3*1)/100 + [(4000 - x)*5*1]/100 = 144

3x/100 + 200 – 5x/100 = 144

2x/100 = 56 è x = 2800

252.

A certain sum of money lent out at simple interest amount ₹ 1380 in 3 years and ₹ 1500 in 5 years. Find the rate percent per annum.

Answer»

5%



NA

253.

If the rate increases by 2% , the simple interest received on a sum of money increases by Rs. 108. If the time period is increased by 2 years, the simple interest on the same sum increases by Rs. 180

Answer»

DATA inadequate



NA

254.

David intvested certain amount in three different schems A, B and C with the rate of interest 10% p.a. respectively.If the total interest accrued in one year was Rs. 3200 and the amount invested i

Answer»

RS. 5000



NA

255.

A sum was put a simple interest at a certain rate for 2 years. Had it been put at 4% higher rate, it would have fetched Rs. 60 more. The sum is:

Answer»

Rs.750



NA

256.

An amount of money grows up to Rs 400 in 2 years and up to 560 in 3 years on compound interest. What is the rate per cent ?

Answer»

<P> 40 %



P + CI of 3 YEARS = Rs 560...........(i)
P + CI of 2 years = Rs 400 ............(ii)
(i)-(ii)=CI for 3rd year = 560 - 400 = Rs 160
R = 160x100/400x1 = 40%

257.

A certain amount earns simple interest of Rs. 1750 after 7 years . Had he interest been 2% more how much more interest would it have earned ?

Answer»

Cannot be determined



NA

258.

In how many years will a sum of money doubles itself at 5% per annum on simple interest?

Answer»

<P> 20 years



P = (P*5*R)/100

R = 20%

259.

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 rate of interest is:

Answer»

0.3%



NA

260.

In what time will Rs 500 amount to Rs 650 at 6% per annum ?

Answer»

5 years



TIME = 1 x 100/P x R 1 = 650 - 500 = 150
P = 500, r = 6%
THEREFORE, Time = 150 x 100/500 x 6 = 5 yrs.

261.

The difference between the Simple Interest and Compound Interest on a certain sum for 2 years at 15% Interest is Rs. 90. Find the Principal?

Answer»

4000



NA

262.

At what rate per cent per annum will Rs 1000 amount to Rs 1728 in 3 years? The interest is compounded yearly.

Answer»

20 %



R = 100 [(A/P)1/t - 1]% pa
= 100[(1728/1000)1/3 - 1]
= 100[{(12/10)3}1/3 - 1]
= 100 [12/10 - 1]
= 100 X 2/10
= 20% p.a.

263.

If the ratio of the ages of two friends A and B is in the ratio 3 : 5 and that of B and C is 3 : 5 and the sum of their ages is 147, then how old is B?

Answer»

45 Years



NA

264.

An amount of Rs. 1,00,000 is invested in two types of shares. The first yields an interest of 9% per annum and the second, 11% per annum. If the total interest at the end of one year is 9 3/4 %, then

Answer»

RS 62,500 ; Rs 37,500



NA

265.

The difference of 13% per annum and 12% of a sum in 1 year is Rs 110.Then the sum is ?

Answer»

RS 11000



NA

266.

In what time a sum of money double itself at 3% per annum simple interest?

Answer»

<P> 33 1/3 years



P = (P*3*R)/100

R = 33 1/3%

267.

The simple interest on a sum of money is 4/9 of the principal and the number of years is equal to the rate percent. Find the rate and the time?

Answer»

<P> 6 2/3 YEARS; 6 2/3 %



4/9 P = (P*R*R)/100

R = 20/3 = 6 2/3%

268.

An amount of money grows upto Rs 8000 in 2 years and upto Rs 10000 in three years on compound interest. What is the sum ?

Answer»

RS 5120



Sum = 8000 X(8000/10000)² = 5120

269.

Adam borrowed some money at the rate of 6% p.a. for the first two years, at the rate of 9% p.a. for the next three years , and at the rate of 14% p.a. for the period beyond five years. 1f he pays a to

Answer»

12000



NA

270.

Find simple interest on Rs.6000/- at 7 ½% p.a. for 3 years?

Answer»

Rs. 1350



P = Rs.6000/- 

T = 3 years 

R = 15/2% 

I = PTR/100 

I = (6000*3*15/2)/100 

I = 90 * 15 = Rs.1350/-

271.

A certain amount of money becomes five times at the simple interest rate of 7% per annum. At what rate per cent will it become 9 times ?

Answer»

14 %



INTEREST RATE = 9-1/5-1 X 7 = 8x7/4 = 14%

272.

A sum of money lent out at simple interest amounts to Rs. 720 after 2 years and to Rs. 1020 after a further period of 5 years. The sum is :

Answer»

RS. 600



NA

273.

Giridhar invested equal money in two schemes. Under Scheme A, the S.I rate was 15 %. and under Scheme B the C.I rate was 20%. The interest after 2 years Scheme B was Rs 45. How much interest in scheme

Answer»

RS 30.68



Amount Invested in Scheme B
= Rs 45/(1.2)² - 1 = Rs 45/1.44 - 1 = Rs. 45/0.44
Interest earned = 45/44 X 100 x 2 x 15/100 = Rs 30.68

274.

The simple interest on a certain sum of money at the rate of 5% p.a. for 8 years is Rs. 840. At what rate of interest the same amount of interest can be received on the same sum after 5 years ?

Answer»

8%



NA

275.

Swati invests an amount of Rs 3600 for three years at the reat of 6% per annum. What approximate amount of compound interest will she obtain at the end of three year

Answer»

<P> RS. 688



A = P[1 + R/100]t 

276.

A person invested some amount at the rate of 12% simple interest and a certain amount at the rate of 10% simple interest. He received yearly interest of Rs. 130. But if he had interchanged the amounts

Answer»

RS. 500



NA

277.

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

Answer»

RS. 1200



NA

278.

The simple interest on a sum of money will be Rs. 1760 after eight years. If the principal is doubled after three years, what will be the total interest at the end of eight years ?

Answer»

RS. 2860



Rs. 2860

279.

A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is?

Answer»

698



S.I. for 1 YEAR = (854 - 815) = RS. 39

S.I. for 3 years = 39 * 3 = Rs. 117

Principal = (815 - 117) = Rs. 698.

280.

A sapphire ring with a marked price of $1800 is offered to the purchaser on the following terms: $200 deposit and the balance to be paid over 24 equal monthly instalments with interest charged at 11.5

Answer»

$82



NA

281.

At what rate of interest, a sum of Rs. 15000 will be Rs. 17625 in 5 years?

Answer»

3.5 %



NA

282.

The simple interest on a sum of money is 4/9 of the principal .Find the rate percent and time, if both are numerically equal.

Answer»

20/3%, 6Y 8M



NA

283.

Namrata deposited Rs. 8,000 which amounted 9200 after 3 years at S.I. had the interest been 2% more, she would get how much?

Answer»

9680



NA

284.

A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is:

Answer»

698 RS.



698 Rs.

285.

An automobile financier claims to be lending money at simple interest, but he includesthe interest every six months for calculating the principal. If he is charging an interest of10%, the effective ra

Answer»

10.25%



NA

286.

A sum of money at simple interest amounts to Rs. 2240 in 2 years and to Rs. 2600 in 5 years. What is the principal amount

Answer»

2000



NA

287.

At what rate percent of simple interest will a sum of money double itself in 12 years?

Answer»

8 1/2 %



Let sum = X. Then, S.I. = x.

Rate = (100 * S.I.) / (P * T) = (100 * x) / (x * 12)

= 25/3 = 8 1/3 %

288.

Sumit lent some money to Mohit at 5% per annum simple interest. Mohit lent the entire amount to Birju on the same day at 8(1/2)% per annum. In this transaction after a year Mohit earned a profit of Rs

Answer»

RS. 10,000



NA

289.

If a certain sum of money becomes doubles at simple interest in 12 years, what would be the rate of interest per annum?

Answer»

8(1/3)



NA

290.

The rate at which a sum becomes four times of itself in 15 years at S.I, will be:

Answer»

 20%



NA

291.

A merchant receives an invoice for a motor boat for $20 000 with terms 4/30, n/100. What is the highest simple interest rate at which he can afford to borrow money in order to take advantage of the di

Answer»

247.67



NA

292.

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

Answer»

12.5 %



NA

293.

The sum lent at 5% per annum (i.e. 365 days) simple interest, that produces interest, of ₹ 2.00 a day, is

Answer»

14600



NA

294.

A person takes a loan of 200 at 5% simple interest. He returns 100 at the end of 1 year. In order to clear his dues at the end of 2 years, he would pay:

Answer»

115



Amount to be PAID = [100 +(200*5*1)/100+(100*5*1)/100]

295.

If the simple interest on Rs. 2000 is less than the Simple Interest on Rs. 3000 at 5% by Rs. 50, find the time.

Answer»

1 year



NA

296.

A certain sum of money amounts to ₹ 720 in 2 years and ₹ 870 in 4.5 years. Find the sum and the rate of interest.

Answer»

600, 10%



NA

297.

A sum of money becomes 7/4 of itself in 6 years at a certain rate of simple interest. Find the rate of interest.

Answer»

12(1/2)%



NA

298.

Simple interest on a certain sum 16/25 of the sum. if both the rate of interest and time are same. then what is the rate of interest?

Answer»

8%



NA

299.

A sum of Rs. 10 is given as a loan to be returned in 6 monthly installments at Rs.3. What is the rate of interest?

Answer»

640%



NA

300.

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

Answer»

 16 : 15



NA