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**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

Hi;

The solution SP #350 is correct. Good work, bobbym!

SP #351. If the sum of n terms of an A.P. is

, then find its nth term.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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**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

Hi;

The solution SP #351 is correct. Neat work, bobbym!

SP #352. Find the 9th term of the A.P.

.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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**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

Hi;

The solution SP #353 is correct. Well done, bobbym!

SP #353. Which term of the A.P. 121, 117, 113, ... is its first negative term?

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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**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

Hi,

SP#354. Find three arithmetic means between 3 and 19.

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

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

Hi,

SP#355. Which term of the Geometric Progression

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

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**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,239

Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away. May his adventurous soul rest in peace at heaven.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

Hi,

The solution SP#355 is correct. Excellent, Monox D. I-Fly!

SP#356. Find five Geometric Means between 576 and 9.

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

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

Hi,

SP#357. Consider an Arithmetic Progression : 2, 6, ..., 46 with 12 terms. Find the sum of the 4th and 9th term.

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

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

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SP#358. How many terms of the series 1 + 3 + 5 + 7 + ..... amounts to 123454321?

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

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

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SP#359. What is the sum of all two-digit numbers which when divided by 7 gives a remainder of 3?

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

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

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SP#360. A number 15 is divided into three parts which are in an Arithmetic Progression and the sum of their squares is 83. Find the smallest number.

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

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

Hi,

SP#361. Find the sum of the given series:

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

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

Hi,

SP#362. Find the value of

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

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SP#363. Find the sum to infinity of the progression

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

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

Hi,

.

SP#364. Evaluate:

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

Hi,

SP#365. The 7th and 21st term of an Arithmetic Progression are 6 and -22 respectively. Find the 26th term.

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

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**Monox D. I-Fly****Member**- From: Indonesia
- Registered: 2015-12-02
- Posts: 1,239

Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away. May his adventurous soul rest in peace at heaven.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

Hi.

The

is perfect. Splendid, Monox D. I-Fly!SP#366. The 4th and 10th terms of a Geometric Progression are

and 243 respectively. Find the second term.Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

Hi,

.

SP#367. How many terms of an Arithmetic Progression must be taken for their sum to be equal to 120 if its third term is 9 and the difference between the seventh term and the second term is 20?

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

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

Hi,

SP#368. Find the sum of the series

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

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,331

Hi,

.

SP#369. Find the number of terms in the Arithmetic Progression 22, 28, 34, ......., 616.

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

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