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#3526 2011-12-31 00:42:16
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,393
Re: 10 second questions
Hi anonimnystefy and bobbym,
anonimnystefy : The solution #3489 is correct. Brilliant!
bobbym : The relation '::' is the first and fourth proportion to second and the third.
#3490.
#3491. A works twice as fast as B. If both of them can together finish a work in 12 days, B alone can do it in how many days?
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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#3527 2011-12-31 04:23:36
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
hi ganesh
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
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#3528 2011-12-31 06:24:06
- 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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#3529 2011-12-31 17:30:27
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,393
Re: 10 second questions
Hi anonimnystefy and bobbym,
The solutions #3490 and #3491 are correct. Intelligent work!
#3492. A can do a work in 6 days and B in 9 days. How many days would both take together to complete the work?
#3493. The selling price of 5 articles is the same as the cost price of 3 articles. What is the gain or loss percent?
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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#3530 2011-12-31 18:09:16
- 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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#3531 2012-01-01 01:13:55
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,393
Re: 10 second questions
Hi bobbym,
The solutions #3492 and #3493 are correct. Marvelous!
#3494. A house worth $150,000 is sold by X at a 5% profit to Y. Y sells the house back to X at a 2% loss. In the entire transaction, what is the gain or loss to X (in terms of money)?
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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#3532 2012-01-01 01:23:05
- 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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#3533 2012-01-01 01:34:17
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,393
Re: 10 second questions
Hi bobbym,
The solution #3494 is correct. Neat job!
#3495. What is the value of
?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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#3534 2012-01-01 01:38:45
- 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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#3535 2012-01-01 22:24:42
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,393
Re: 10 second questions
Hi bobbym,
The solution #3495 is correct. Brilliant!
#3496.
#3497.
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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#3536 2012-01-01 22:28:09
- 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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#3537 2012-01-02 00:37:39
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
hi ganesh
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
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#3538 2012-01-02 01:37:55
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,393
Re: 10 second questions
Hi bobbym and anonimnystefy,
bobbym : The solutions #3496 and #3497 are correct. Tremendous work!
anonimnystefy : The solution #3497 is correct. Excellent!
(The solution #3496 is 1/108).
#3498.
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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#3539 2012-01-02 01:58:34
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
Is this what you want? If not how can I help?
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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#3540 2012-01-02 02:10:25
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,393
Re: 10 second questions
Hi bobbym,
This is exactly what I tried to get.
The problem is what's the value?
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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#3541 2012-01-02 02:16:36
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
I am getting to know you.
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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#3542 2012-01-03 00:12:38
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,393
Re: 10 second questions
Hi bobbym,
Thanks for the Latex in the problem. The solution #3498 is correct. Brilliant!
#3499. If p = 999, then what is the value of
?#3500. A certain number of persons can complete a piece of work in 55 days. If there were 6 persons more, the work could be finished in 11 days less. How many persons were originally there?
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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#3543 2012-01-03 02:02:02
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
hi ganesh
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
Offline
#3544 2012-01-03 02:08:25
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
hi ganesh
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
Offline
#3545 2012-01-03 22:12:51
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,393
Re: 10 second questions
Hi anonimnystefy,
The solutions #3499 and #3500 are correct. Immaculate!
#3501. Simplify : [0.9 - {2.3 - 3.2 - (7.1 - 5.4 - 3.5)}]
#3502.
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
#3546 2012-01-03 22:16:44
- 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.
Offline
#3547 2012-01-03 22:29:41
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,393
Re: 10 second questions
Hi bobbym,
The solutions #3501 and #3502 are correct. Intelligent work!
#3503. The difference of two numbers is 1660. If 6½ % of one number is 8½ % of the other number, then what is the smaller 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.
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#3548 2012-01-03 22:32:41
- 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.
Offline
#3549 2012-01-03 22:57:03
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,393
Re: 10 second questions
Hi bobbym,
The solution #3503 is correct. Neat work!
#3504. The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. What is the corrected (new) mean?
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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#3550 2012-01-03 23:03:05
- 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