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**irspow****Member**- Registered: 2005-11-24
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I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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**ganesh****Administrator**- Registered: 2005-06-28
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Hi,

Excellent!

#7915. 'A' deposited $500 at a certain rate of interest and got $665.50 at the end of three years. If the rate of interest charged is compounded annually, find the rate.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**irspow****Member**- Registered: 2005-11-24
- Posts: 829

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 32,518

Hi,

Marvelous!

#7916. A sum of $10,500 is paid back in 2 equal annual instalments. Find the amount of each instalment if the rate of interest charged is 15% per annum compounded annually.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**irspow****Member**- Registered: 2005-11-24
- Posts: 829

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 32,518

Hi,

Excellent!

#7917. A and B can do a piece of work in 4 days. If A alone can do it in 6 days, in how many days can B alone complete the same piece of work?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**irspow****Member**- Registered: 2005-11-24
- Posts: 829

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 32,518

Hi,

Neat work!

#7918.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**irspow****Member**- Registered: 2005-11-24
- Posts: 829

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 32,518

Hi,

Neat work!

#7919. Given that the pth term of an Arithmetic Progression is 3p + 2, find the sum of 20 terms of the Arithmetic Progression.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**irspow****Member**- Registered: 2005-11-24
- Posts: 829

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 32,518

Hi,

#7919 revised. The sum of first five terms of an Arithmetic Progression is -10. Also, the ratio of the 8th term and that of 20th term is 1 : 4. Find the 35th term of the A.P.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**irspow****Member**- Registered: 2005-11-24
- Posts: 829

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 32,518

Hi,

Excellent!

#7920. A' invests an amount of money at 15% per annum. He calculates the difference between compound interest and simple interest on that sum to be $225 for 2 years. Find the amount of money invested.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**irspow****Member**- Registered: 2005-11-24
- Posts: 829

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 32,518

Hi,

Excellent!

#7921. A certain sum of money is lent out at simple interest amounts to $1380 is 3 years and $ 1500 in 5 years. Find the rate percent per annum.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**irspow****Member**- Registered: 2005-11-24
- Posts: 829

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 32,518

Hi,

#7922. $58,750 amounts to $79,900 in four years at simple interest. What is the rate of interest paid?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**irspow****Member**- Registered: 2005-11-24
- Posts: 829

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 32,518

Hi,

Neat work!

#7924. The difference between the interest received from two different banks on $500 for 2 years is $2.50. Find the difference between their rates.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**irspow****Member**- Registered: 2005-11-24
- Posts: 829

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 32,518

Hi,

Good work!

#7925. $5000 is lent partly at 12% per annum and partly at 14.5% per annum for 2 years. If the total income for 2 years is equal to $1250, find the amount of money lent at 14.5% per annum.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**irspow****Member**- Registered: 2005-11-24
- Posts: 829

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 32,518

Hi,

Splendid!

#7926. A certain sum of money doubles itself in 5 years at simple interest. In how many years will it become ten times?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**irspow****Member**- Registered: 2005-11-24
- Posts: 829

I am at an age where I have forgotten more than I remember, but I still pretend to know it all.

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