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

Neat work!

SP#634. Write the algebraic form of the Arithmetic Progression 1, 4,7, 10, .... Is 100 a term of the sequence?

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
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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
- Posts: 33,174

Hi,

Excellent!

SP#635.

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: 1,055

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,

Good work!

SP#636. The 7th term of an Arithmetic Progression is 20 and its 13th term is 32. Find the first four 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
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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
- Posts: 33,174

Hi,

Neat work!

SP#637. Find the 10th term of the Arithmetic Progression 4, 9, 14, ....., 254.

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

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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,

Well done!

SP#638. Find the middle term of the Arithmetic Progression 6, 13, 20, ...., 216.

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

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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
- Posts: 33,174

Hi,

Neat work!

SP#639. Find the middle term of the Arithmetic Progression 213, 205, 197, ...., 37.

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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,

Neat work!

SP# 640. How many terms of the Arithmetic Progression 27, 24, 21, ... should be taken so that their sum is zero?

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

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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,

Neat work!

SP#641. Find the sum of the first 25 terms of an Arithmetic Progression whose nth term is given by

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**irspow****Member**- Registered: 2005-11-24
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**ganesh****Administrator**- Registered: 2005-06-28
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Hi,

Excellent!

SP#642. Find the sum of all three digit natural numbers which are multiples of 11.

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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!

SP#643. The 14th term of an Arithmetic Progression is twice its 8th term. If its 6th term is -8, then find the sum of its first 20 terms.

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

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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
- Posts: 33,174

Hi,

Excellent!

SP#644. The 13th term of an Arithmetic Progression is four times its 3rd term. If its fifth term is 16, then find the sum of its first ten terms.

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

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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
- Posts: 33,174

Hi,

Excellent!

SP#645. Which term of the Arithmetic Progression 3, 14, 25, 36, .. will be 99 more than its 25th term?

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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,

Neat work!

SP#646. Find the value of the middle term of the Arithmetic Progression -6, -2, 2, ...., 58.

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