Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#701 2011-04-18 16:38:01
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: Oral puzzles
Hi bobbym,
The solution 953 is correct. Good work!
#954. If the sum and difference of two numbers are 20 and 8 respectively, then what is the difference of their squares?
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
#702 2011-04-18 17:28:06
- 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
#703 2011-04-19 17:04:52
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: Oral puzzles
Hi bobbym,
The solution 954 is perfect. Keep it up!
#955. The sum of the squares of two numbers is 3341 and the difference of their squares is 891. Whih 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.
Offline
#704 2011-04-19 17:27:20
- 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
#705 2011-04-20 21:56:54
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: Oral puzzles
Hi bobbym,
The solution 955 is 35, 46 and not 36, 45.
#956. The sum of three consecutive odd numbers is 20 more than the first of these numbers. Which is the middle 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
#706 2011-04-20 22:26:05
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
Hi ganesh;
Yikes! For # 955 I switched numbers when I was typing.
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
#707 2011-04-21 00:15:52
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: Oral puzzles
Hi bobbym,
The solution 956 is correct. Well done!
#957. The product of three consecutive even numbers when divided by 8 is 720. What is the product of their square roots?
(The solution is of the form
).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
#708 2011-04-21 08:40:23
- 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
#709 2011-04-21 16:42:53
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: Oral puzzles
Hi bobbym,
The solution 957 is correct. Well done!
#958. The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit 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
#710 2011-04-21 17:05:10
- 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
#711 2011-04-22 17:28:21
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: Oral puzzles
Hi bobbym,
The solution 958 is correct. Well done!
#959. The difference between a two-digit number and the number obtained by interchaning the positions of its digits is 36. What is the difference between the two digits of that 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
#712 2011-04-22 17:44:21
- 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.
Offline
#713 2011-04-22 23:33:47
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: Oral puzzles
Hi bobbym,
The solution 959 is perfect. Well done!
#960. 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.
Offline
#714 2011-04-22 23:44:01
- 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
#715 2011-04-23 14:44:04
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: Oral puzzles
Hi bobbym,
The solution 960 is perfect. Well done!
#961. If
, 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.
Offline
#716 2011-04-23 20:45:11
- 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
#717 2011-04-23 21:07:26
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: Oral puzzles
Hi bobbym,
The solution 961 is perfect. Amazing!
#962. The product of two fractions is
and their quotient is Find the greater 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.
Offline
#718 2011-04-23 23:31:16
- 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
#719 2011-04-24 16:16:29
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: Oral puzzles
Hi bobbym,
The solution 962 is correct. Well done!
#963. Find x if
.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
#720 2011-04-24 17:23:43
- 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
#721 2011-04-25 18:04:36
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: Oral puzzles
Hi bobbym,
The answer to 963 is correct. Well done!
#964. The square root of
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
#722 2011-04-25 18:15:39
- 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
#723 2011-04-26 16:23:11
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: Oral puzzles
Hi bobbym,
The solution 964 is perfect. Outstanding!
#965. 2 - [2 - {2 - 2(2 + 2)}] = ?
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
#724 2011-04-26 16:33:51
- 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
#725 2011-04-26 16:49:44
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: Oral puzzles
Hi bobbym,
The answer 965 is perfect. Well done!
#966.
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