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#1751 2012-04-03 23:09:21
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
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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#1752 2012-04-04 21:35:03
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,411
Re: Oral puzzles
Hi bobbym, anonimnystefy, and Denominator,
The solution #1415 is correct. Excellent!
The solution #1414 is correct, bobbym! Good work!
#1416. What is the significance of the number 232792560?
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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#1753 2012-04-04 21:37:36
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
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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#1754 2012-04-09 00:59:46
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,411
Re: Oral puzzles
Hi bobbym,
The number 232792560 is the smallest number divisible by all natural numbers from 1 to 20 (also 21 and 22).
#1417.
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.
Online
#1755 2012-04-09 01:05:14
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
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
#1756 2012-04-09 01:09:50
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: Oral puzzles
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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#1757 2012-04-09 17:23:47
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,411
Re: Oral puzzles
Hi bobbym and anonimnystefy,
The solution #1417 is correct. Good work!
#1418. If
, 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.
Online
#1758 2012-04-09 19:00:54
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
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
#1759 2012-04-10 00:29:24
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: Oral puzzles
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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#1760 2012-04-10 21:29:18
- Denominator
- Member
- Registered: 2009-11-23
- Posts: 220
Re: Oral puzzles
Hey
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#1761 2012-04-10 22:49:10
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,411
Re: Oral puzzles
Hi bobbym, anonimnystefy, and Denominator,
The solution #1418 is correct. Well done!
#1419. 55 men can finish a piece of work in 42 days. What is the number of additional men that must be engaged to complete the work 9 days earlier?
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.
Online
#1762 2012-04-10 23:09:07
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
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
#1763 2012-04-11 00:50:00
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: Oral puzzles
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
#1764 2012-04-11 17:02:32
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,411
Re: Oral puzzles
Hi bobbym and anonimnystefy,
The solution #1419 is correct. Splendid!
#1420. Two numbers are in the ratio 3 : 5. If each number is increased by 10, the ratio becomes 5 : 7. What are 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.
Online
#1765 2012-04-11 19:49:04
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
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
#1766 2012-04-12 16:57:15
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,411
Re: Oral puzzles
Hi bobbym,
The solution #1420 is correct. Good work!
#1421. The difference between 70% and 55% of a number is 72. What is 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.
Online
#1767 2012-04-12 17:04:47
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: Oral puzzles
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
#1768 2012-04-12 18:02:37
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
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
#1769 2012-04-14 01:09:27
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,411
Re: Oral puzzles
Hi anonimnystefy and bobbym,
The solution #1421 is correct. Well done!
#1422. 75 % of what area is 15 square meters?
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.
Online
#1770 2012-04-14 01:26:16
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
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
#1771 2012-04-14 09:34:23
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: Oral puzzles
hi ganesh
Last edited by anonimnystefy (2012-04-14 09:35:05)
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
#1772 2012-04-14 17:27:00
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,411
Re: Oral puzzles
Hi bobbym and anonimnystefy,
The solution #1422 is correct. Well done!
#1423. What is 0.025 when changed to fraction?
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.
Online
#1773 2012-04-14 17:29:00
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: Oral puzzles
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
#1774 2012-04-14 17:32:23
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
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
#1775 2012-04-14 21:32:11
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,411
Re: Oral puzzles
Hi anonimnystefy and bobbym,
The solution #1423 is correct. Good work!
#1424. The excess of thrice a certain number over 16 is 32. What is 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.
Online