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#1276 2010-02-04 09:53:39
- 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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#1277 2010-02-05 01:13:28
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Well Done!
2024. The n'th term of the sequence 1,3, 7,15,........ is ______________________.
2025. (1^3+2^3+.........10^3)/(1+2+3+.....10)
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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#1278 2010-02-05 10:25:14
- 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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#1279 2010-02-05 12:59:47
- John E. Franklin
- Member
- Registered: 2005-08-29
- Posts: 3,588
Re: 10 second questions
Last edited by John E. Franklin (2010-02-05 13:03:56)
igloo myrtilles fourmis
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#1280 2010-02-06 01:02:06
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Correct, #2024
and Incorrect #2025.
Best Wishes.
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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#1281 2010-02-06 01:23:15
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
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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#1282 2010-02-06 01:54:47
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
2025: Correct, Well Done.
2026.The area of cross-section of a cilinder is 22 cm sqr. If the height in 14 cm, what is its volume?
2027. If the radius of the base of the cone is doubled and the height is tripled, then the volume is _________ times.
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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#1283 2010-02-06 06:25:41
- John E. Franklin
- Member
- Registered: 2005-08-29
- Posts: 3,588
Re: 10 second questions
igloo myrtilles fourmis
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#1284 2010-02-06 06:33:02
- John E. Franklin
- Member
- Registered: 2005-08-29
- Posts: 3,588
Re: 10 second questions
igloo myrtilles fourmis
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#1285 2010-02-06 13:31:30
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
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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#1286 2010-02-07 00:09:49
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi,
2026 and 2027:
bobbym and John E Franklin,
bobbym for 2027, John for both replies;
Well Done!
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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#1287 2010-02-07 00:19:31
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
2028. Find the middle term of a Arithmetic Progression -3,-1,.....33.
2029. Which term of the progression 1,2,4,8,...... is 512.
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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#1288 2010-02-07 00:19:57
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
More! More! More!
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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#1289 2010-02-07 00:30:00
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
2030. Find log 9 to the base 10.
2031. How many furlongs is a mile?
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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#1290 2010-02-07 00:33:51
- 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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#1291 2010-02-07 23:24:31
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Solotion to 2030:
Correct! Well Done!
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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#1292 2010-02-07 23:34:37
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
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#1293 2010-02-07 23:45:23
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
2032. The radii of two cylinders are the ratio 2:3. Find the ratios of their volumes if their heights are in the ratio 5:3.
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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#1294 2010-02-07 23:47:32
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Last edited by Devantè (2010-02-08 00:00:29)
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#1295 2010-02-07 23:48:28
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Reply# 2031. Exellent!
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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#1296 2010-02-07 23:51:52
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Reply is 20:27 in 2032.
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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#1297 2010-02-09 02:10:19
- scientia
- Member
- Registered: 2009-11-13
- Posts: 224
Re: 10 second questions
#2025
It is well known that
Therefore
Hence
Thats how you do it in 10 seconds!
Last edited by scientia (2010-02-09 13:58:09)
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#1298 2010-02-10 00:28:51
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Exellent, scientia!
Well Done!
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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#1299 2010-02-10 00:32:58
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
2033. What is (x+1)^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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#1300 2010-02-10 00:52:19
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
2034. 9, 81, 729, ______.
2035.11, 121, 12321, _______.
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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