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#5751 2015-04-19 19:11:14

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

Re: 10 second questions

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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#5752 2015-04-20 00:40:05

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5374 is perfect. Awesome!

#5375. How many terms of the series 54, 51, 48, ...be taken so that their sum is 513? (Give both solutions)


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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#5753 2015-04-20 14:53:25

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

Re: 10 second questions

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.

Offline

#5754 2015-04-20 17:06:18

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5375 is correct. Neat work!

#5376. Find the number of terms in the series

of which the sum is 300. Give both solutions.


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

#5755 2015-04-21 18:35:42

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

Re: 10 second questions

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.

Offline

#5756 2015-04-21 19:07:10

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution(s) #5376 is perfect. Excellent!

#5377. The digits of a positive integer, having three digits are in Arithmetic Progression and their sum is 15. The number obtained by reversing the digits is 594 less than the original number. Find the number.


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

#5757 2015-04-22 18:55:05

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

Re: 10 second questions

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.

Offline

#5758 2015-04-22 23:40:59

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5377 is correct! Marvelous!

#5378. Find the 10th term of the geometric sequence

.


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

#5759 2015-04-23 15:51:30

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

Re: 10 second questions

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.

Offline

#5760 2015-04-23 19:35:26

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5378 is correct. Neat work!

#5379. The 4th and 7th terms of a Geometric Progression are 54 and 1458 respectively. Find the Gemetric 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.

Offline

#5761 2015-04-24 11:53:28

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

Re: 10 second questions

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.

Offline

#5762 2015-04-24 19:43:28

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5379 is correct. Neat work!

#5380. Which term of the geometric sequence

is
?


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

#5763 2015-04-25 15:50:03

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

Re: 10 second questions

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.

Offline

#5764 2015-04-26 16:14:35

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5380 is correct. Excellent!

#5381. The fifth term of a Geometric Progression is 1875. If the first term is 3, find the common ratio.


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

#5765 2015-04-27 04:55:41

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

Re: 10 second questions

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.

Offline

#5766 2015-04-27 17:06:04

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5381 is correct. Neat work!

#5382. Find the first three consecutive terms in Geometric Progression whose sum is 7 and the sum of their reciprocals is 7/4.


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

#5767 2015-04-27 17:39:25

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

Re: 10 second questions

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.

Offline

#5768 2015-04-28 18:29:18

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5382 is correct. Neat work!

#5383. The sum of three terms of a Geometric Progression is 13 and the sum of their squares is 91. Find the three numbers.


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

#5769 2015-04-29 16:40:56

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

Re: 10 second questions

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.

Offline

#5770 2015-04-29 16:53:35

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5383 is correct. Marvelous!

#5384. In the arithmetic sequence 60, 56, 52, 48..., starting from the first term, how many terms are needed so that their sum is 368?


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

#5771 2015-05-02 08:38:58

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

Re: 10 second questions

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.

Offline

#5772 2015-05-02 16:37:20

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5384 is 8 or 23 terms. Neat work!

#5385. Find the sum of all 3 digit natural numbers, which are divisible by 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.

Offline

#5773 2015-05-04 18:33:36

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

Re: 10 second questions

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.

Offline

#5774 2015-05-05 01:38:02

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

#5386. Solve : 1 + 6 + 11 + 16 + ... + x = 148.


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

#5775 2015-05-05 11:43:24

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

Re: 10 second questions

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.

Offline

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