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#926 2019-04-10 00:32:36
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
SP#492. Find the sum of last 10 terms of the Arithmetic Progression 8, 10, 12, ....., 126.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#927 2019-04-12 00:12:00
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
.
SP#493. Find the sum of first seven numbers which are multiples of 2 as well as 9.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#928 2019-04-13 17:05:24
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
.
SP#494. Find the sum of all the 11 terms of an Arithmetic Progression whose middle most term is 30.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#929 2019-04-15 01:29:28
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
.
SP#495. How many terms of the Arithmetic Progression -15, -13, -11, ... are needed to make the sum -55? If there are are more than one solutions, give them all.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#930 2019-04-15 17:27:58
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
SP#496. Write the first three terms of an Arithmetic Progression when first term, a = -5 and common difference, d = -3.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#931 2019-04-15 20:15:09
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
Re: Series and Progressions
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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#932 2019-04-15 22:54:25
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
The solution SP#496 is correct. Good work, Monox D. I-Fly!
SP#497. Find the sum of first 17 terms of an Arithmetic Progression whose 4th and 9th terms are -15 and -30 respectively.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#933 2019-04-16 14:45:15
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
Re: Series and Progressions
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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#934 2019-04-16 15:13:27
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
Good attempt, Monox D. I-Fly!
SP#498. The sum of first 6 terms of an Arithmetic Progression is 36 and that of first 16 terms is 256. Find the sum of first 10 terms.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#935 2019-04-18 01:51:48
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
.
SP#499. If sum of the third term and eighth term of an Arithmetic Progression is 7 and the sum of the 7th and 14th terms is -3, then find the 10th term.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#936 2019-04-19 17:01:39
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
SP#500. If nth terms of two Arithmetic Progressions 9, 7, 5, .... and 24, 21, 18, ..... are the same, then find the value of n. Also, that term.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#937 2019-04-20 01:38:27
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
SP#501. Find the common difference of an Arithmetic Progression in which
.It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#938 2019-04-21 14:35:49
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
Re: Series and Progressions
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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#939 2019-04-21 15:50:53
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
The solution SP#501 is correct. Neat work, Monox D. I-Fly!
SP#502. Find the sum of all natural numbers between 1 and 201 which are divisible by 5.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#940 2019-04-21 20:29:12
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
Re: Series and Progressions
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.
Offline
#941 2019-04-21 21:26:11
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
.
The solution SP#502 is correct. Brilliant, Monox D. I-Fly!
SP#503. Find the sum of all even natural numbers from 2 to 40.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#942 2019-04-22 14:22:51
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
Re: Series and Progressions
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.
Offline
#943 2019-04-22 14:50:19
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
.
SP#504. The middle term of an Arithmetic Progression consisting of 25 terms is 20. Find the sum of the Arithmetic Progression.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#944 2019-04-23 15:42:41
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
.
SP#In an Arithmetic Progression,
. Find .It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#945 2019-04-23 20:27:25
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
Re: Series and Progressions
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.
Offline
#946 2019-04-24 00:41:08
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
.
The solution SP#505 is correct. Excellent, Monox D. I-Fly!
SP#506. Find the sum of all natural numbers between 200 and 300 which are divisible by 6. (200 and 300 are excluded).
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#947 2019-04-24 15:34:50
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
.
SP#507. The fourth and eighth terms an an Arithmetic Progression are in the ratio 1 : 2 and tenth term is 30. Find the common difference.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#948 2019-04-25 16:24:49
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
SP#508. In an Arithmetic Progression, if a = -7, d = 5, find
.It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
Offline
#949 2019-04-25 20:26:39
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
Re: Series and Progressions
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.
Offline
#950 2019-04-26 00:19:13
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,154
Re: Series and Progressions
Hi,
.
The solution SP#508 is correct. Neat work, Monox D. I-Fly!
SP#509. In an Arithmetic Progression, a = -1, d = -3, find
.It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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