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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,858

Hi,

.

SP#394. Determine the sum of 6th and 19th term of the Arithmetic Progression 4, 9, 14, ....., 119 with 24 terms.

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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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,858

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.

SP#395. Find the sum of the given series : 1 + 2 + 3 + 4 + 5 + ...... + 5600.

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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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,858

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SP#396. What is the sum of 100 terms of the series 1 - 2 + 3 - 4 + 5 - 6 + ....... ?

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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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,858

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SP#397. Evaluate:

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: 25,858

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SP#398. The sum of three consecutive terms of an Arithmetic Progression is -6 and their product is 90. Find the three numbers.

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: 25,858

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SP#399. The 10th and 18th terms of an Arithmetic Progression are 41 and 73 respectively. Find the 27th 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: 25,858

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SP#400. Find the sum of all 3 digit natural numbers, which are divisible by 8.

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: 25,858

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.

SP#401. Find the sum of the series

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,858

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SP#402. How many terms of the arithmetic series 24 + 21 + 18 + 15 + .... be taken continuously so that their sum is -351?

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: 25,858

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SP#403. Find the sum of the first 2n terms of the series

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**ganesh****Administrator**- Registered: 2005-06-28
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.

SP#404. How many terms of the series 1 + 6 + 11 + ... must be taken so that their sum is 970?

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

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**ganesh****Administrator**- Registered: 2005-06-28
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SP#405. The first term of an Arithmetic Progression is 17. The number of terms is 21 and their sum is -63. Find the common difference and middle 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
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SP#406. Find 5 terms in Geometric Progression whose product is 32 and the product of last two terms is 108.

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: 25,858

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.

SP#407. If the 4th term of an Arithmetic Progression is 14 and 12th term is 70, find the first 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: 1,263

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: 25,858

Hi,

The

is perfect. Neat work, Monox D. I-Fly!SP#408. Find the 28th term of the Arithmetic Progression -8, -5, -2, 1, ...

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: 1,263

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: 25,858

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.

SP#409. Find the middle term(s) of 7 + 13 + 19 + ... + 73.

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: 25,858

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SP#410. Find the Arithmetic Mean of the series 1 + 5 + 9 + ... if the series has 50 terms.

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: 25,858

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.

SP#411. Find the 25th term of the Arithmetic Progression -9, -5, -1, ...

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: 1,263

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: 25,858

Hi,

The

is perfect. Excellent, Monox D. I-Fly!SP#412. If the 'P'th term of the Arithmetic Progression 73, 67, 61, ... is 1, find the value of P.

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: 1,263

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 25,858

Hi,

The solution SP#412 is perfect. Neat work, Monox D. I-Fly!

SP#413. Find the sum : 1 + 6 + 11 + .... + 101.

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: 25,858

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.

SP#414. Find the middle term/terms of the Arithmetic Progression 3, 10, 17, ...., 80.

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

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