Question 1. Find the simple interest and amount on:

Answer:

year

year

Amount

\text{ Rs. } \text{R } = 9 \frac{3 }{ 4} \% = \frac{39 }{ 4} \% $

S.I.

Amount

Amount

Question 2. Find the simple interest on from 18th October, 2006 to 13th march, 2007 at . Also find the amount.

Answer:

Question 3. Ashish lent to Mark at simple interest. After , Mark discharged the debt by giving a watch and in cash. What is the value of the watch?

Answer:

The value of watch

Question 4. In what time will the simple interest on be at

Answer:

.5,

We are requires to compute time in years.

Question 5. In how much time will amount to , when money is worth simple interest?

Answer:

Question 6. At what rate per cent per annum will amount to in

Answer:

Rs, Amount Rs,

We have to compute rate of interest

… … … … … i)

in Equal i) we get

Question 7. At what rate per cent per annum will the simple interest on be in months?

Answer:

We have to compute .

Question 8. At what rate per cent of simple interest will a sum of money double itself in ?

Answer:

Principle Amount S.I.

We have to compute

Question 9. Simple interest will a sum is of the sum. Find the rate per cent and the time if both are numerically equal.

Answer:

Let Principle

Numerical

We have to compute .

Question 10. What sum will yield as simple interest in

Answer:

We are required to compute

Question 11. What sum will amount to in simple interest?

Answer:

We have to compute

Question 12. A sum of money becomes of itself in at certain rate of simple interest. Find the rate of interest.

Answer:

We have to compute rate of interest .

Question 13. What sum of money lent at will produce the same interest in as produces in ?

Answer:

Consider

Question 14. If amount to in at simple interest, what will amount to in at the same rate?

Answer:

First compute for

Now for

p.a.

Now for

Question 15. A sum of money lent at simple interest amounts to in in . Find the sum and the rate of interest.

Answer:

Given:

are the same in both the above area from the data given in (i)

… … … …. … i)

From data given in (ii)

… … … …. … i)

Divide equation (i) by equation (ii)

From data set (i)

p.a.

Question 16. lends to and certain sum to at the same time at simple interest. If after , a altogether receives as interest from find the sum lent to .

Answer:

p.a. and,

Total interest received from both &

Total interest received from

Now we have to compute sum rent to

, R p.a.

The amount lent by to

Question 17. The simple interest on a certain sum for is more than the simple interest on the same sum for . Find the sum.

Answer:

for a sum , for;

…………………(i)

for a sum , for, p.a.

………………………ii)

Question 18. Two equal sums of money were lent at simple interest at p.a. for respectively. If the difference for two periods was , find each sum.

Answer:

for sum year

in the S.I.for sum

The equal sums are each

Question 19. Divide into two parts so that the simple interest on the first pat for is equal to the simple interest on the second part for .

Answer:

Let

is on

The Two Parts are:

Question 20. Divide a sum of into two parts such that if one part be lent at for months and the other at for months, the total interest received is

Answer:

Let be the first part of the sum.

Then becomes the second part of the sum.

The one part of sum is and second part

Question 21. In what time will a sum of money lent at simple interest become times of itself.

Answer:

Let be the sum lent.

Question 22. A certain sum of money lent out at p.a. produced the same simple interest in as lent out at p.a. for . Find the sum.

Answer:

Let be the sum lent.

be the simple interest earned

Le be the

S.I. for p.a.

The sum lent is

Question 23. Naveen and Praveen borrowed respectively for at the same rate of interest. If Praveen has to pay more than Naveen, find the rate of interest.

Answer:

Let be the rate interest

,

be the S.I.paid by Praveen for ,

p.a.

Question 24. A sum of money was put at simple interest at a certain rate for . If this sum had been put at higher rate, it would have earned more as interest. Find the sum.

Answer:

Let be the sum lent

is interest for sum , Rate interest

Let is the interest for sum for interest rate

Given,

Sum lent is

Question 25. A sum of money invested at p.a. simple interest for a certain period of time yield as interest. If this sum had been invested for more, it would have yielded as interest. Find the sum.

Answer:

Let sum lent is

… … … … … (i)

For sum ,

From (i) ,

Very helpful, thank you.

its a very useful website thanks for making it

It is a very good & very simple to see solutions or else in other websites it would ask you to open a new account & log in,it will waste time a lot. 👌

Appreciate your comment…. our objective is to have superior user experience

questions are wrong. rates and amounts are wrong. kindly correct it

could you point out the question that you are referring to. there might me typing errors.

Very very helpful …… and keep doing it….