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#2551 2011-06-16 07:00:21
- 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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#2552 2011-06-16 09:55:00
- 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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#2553 2011-06-16 16:54:42
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,838
Re: 10 second questions
Hi anonimnystefy and bobbym,
The solution 2914 is correct. Brilliant!
#2915. If log 2 = x, log 3 = y, and log 7 = z, then what is the value of
?#2916. If log[sub]4[/sub]x + log[sub]2[/sub]x = 6, then what is the value of x?
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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#2554 2011-06-16 17:10:16
- 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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#2555 2011-06-16 18:23:48
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,838
Re: 10 second questions
Hi bobbym,
The solutions 2915 and 2916 are correct. Superlative performance!
#2917.
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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#2556 2011-06-16 18:33:37
- 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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#2557 2011-06-16 21:40:11
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,838
Re: 10 second questions
Hi bobbym,
The solution 2917 is perfect. Excellent!
#2918. If
are the roots of the equation x[sup]2[/sup] - 3x - 1 = 0, then 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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#2558 2011-06-17 02:51:09
- 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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#2559 2011-06-17 05:14:45
- 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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#2560 2011-06-17 16:49:06
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,838
Re: 10 second questions
Hi bobbym and anonimnystefy,
The solution 2918 is correct. Brilliant!
#2919. What is the sum of the integers from 1 to 100 that are divisible by 2 or 5?
#2920. What is the sum of 24 terms of the series
?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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#2561 2011-06-17 20:55:58
- 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
#2562 2011-06-17 23:46:18
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,838
Re: 10 second questions
Hi bobbym,
The solution 2920 is correct. Good work!
#2921. What is the sum of all two digit odd natural 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.
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#2563 2011-06-17 23:58:47
- 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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#2564 2011-06-18 00:13:50
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,838
Re: 10 second questions
Hi bobbym,
The solution 2921 is perfect. Well done!
#2922. If one root of the equation
is the square of the other, then what is/are the value(s) 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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#2565 2011-06-18 00:40:33
- 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
#2566 2011-06-18 18:10:06
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,838
Re: 10 second questions
Hi bobbym,
The solution 2922 is correct. Brilliant!
#2923. In an examination, a student is awarded 4 marks for every correct answer and loses 2 marks for every wrong answer. If a student attempted all 75 questions and secured 150 marks, what is the number of questions he attempted correctly?
#2924.
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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#2567 2011-06-18 21:03:42
- 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
#2568 2011-06-18 22:28:36
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,838
Re: 10 second questions
Hi bobbym,
The solutions 2923 and 2924 are perfect. Good work!
#2925. An urn contains 10 black balls and 10 white balls. Find the probability of drawing two balls of the same color.
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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#2569 2011-06-18 22:49:34
- 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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#2570 2011-06-18 23:13:16
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,838
Re: 10 second questions
Hi bobbym,
The solution 2925 is correct. Neat job!
#2926. A bag contains tickets numbered 1 to 20. Two tickets are drawn from the bag. Find the probability of both the numbers appearing on the tickets drawn being prime.
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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#2571 2011-06-18 23:22:07
- 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
#2572 2011-06-18 23:53:21
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,838
Re: 10 second questions
Hi bobbym,
The solution 2926 is perfect. Excellent!
#2927. Find the value of x is the sequence 1, 2, 6, 42, x.
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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#2573 2011-06-19 00:04:28
- 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
#2574 2011-06-19 16:30:36
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,838
Re: 10 second questions
Hi bobbym,
The solution 2927 is correct. Brilliant!
#2928. The average age of 3 girls is 20 years and their ages are in the ratio 3:5:7. What is the age of the youngest girl?
#2929. The ratio of two numbers is 10:7 and their difference is 105. Find the sum of the 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.
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#2575 2011-06-19 18:04:39
- 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.
Offline