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#1051 2011-07-13 22:43:40

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,295

Re: Oral puzzles

Hi bobbym,

The solution 1112 is perfect. Brilliant!

#1113.


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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#1052 2011-07-13 22:55:37

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.

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#1053 2011-07-14 16:52:03

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,295

Re: Oral puzzles

Hi bobbym,

The solution 1113 is correct. Good work!

#1114. Find the mean 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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#1054 2011-07-14 17:02:40

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

#1055 2011-07-15 17:38:17

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,295

Re: Oral puzzles

Hi bobbym,

The solution 1114 is perfect. Well done!

#1115. Find 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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#1056 2011-07-15 17:44:39

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

#1057 2011-07-16 17:26:20

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,295

Re: Oral puzzles

Hi bobbym,

The solution 1115 is perfect. Good work!

#1116. 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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#1058 2011-07-16 22:10:58

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

#1059 2011-07-17 00:54:59

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,295

Re: Oral puzzles

Hi bobbym,

The solution 1116 is perfect. Good work!

#1117. What is the value of (68.237)[sup]2[/sup] - (31.763)[sup]2[/sup]?


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

#1060 2011-07-17 09:15:48

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

#1061 2011-07-17 16:29:50

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,295

Re: Oral puzzles

Hi bobbym,

The solution 1117 is perfect. Well done!

#1118.


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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#1062 2011-07-17 20:52:25

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

#1063 2011-07-18 00:53:41

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,295

Re: Oral puzzles

Hi bobbym,

The solution #1118 is perfect. Neat job!

#1119. 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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#1064 2011-07-18 01:21:40

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

#1065 2011-07-18 01:46:41

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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#1066 2011-07-18 18:08:59

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,295

Re: Oral puzzles

Hi bobbym and anonimnystefy,

The solution #1119 is correct. Neat job!

#1120. If

and
, then find 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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#1067 2011-07-18 18:27:57

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

#1068 2011-07-18 23:06:32

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,295

Re: Oral puzzles

Hi bobbym,

The solution #1120 is correct. Brilliant!

#1121.


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

#1069 2011-07-18 23:11:58

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

#1070 2011-07-18 23:57:03

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,295

Re: Oral puzzles

Hi bobbym,

The solution #1121 is correct. Good work!

#1122. Find the Greatest Common Divisor 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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#1071 2011-07-19 05:03:30

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

#1072 2011-07-19 17:20:36

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,295

Re: Oral puzzles

Hi bobbym,

The solution #1122 is correct. Well done!

#1123. A train travels at an average of 50 miles per hour for

hours and then travels at a speed of 70 miles per hour for
hours. How far did the train travel in the entire 4 hours?


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

#1073 2011-07-19 18:21:53

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

#1074 2011-07-20 00:23:37

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,295

Re: Oral puzzles

Hi bobbym,

The solution #1123 is correct. Good work!

#1124 and #1125. If the radius of a sphere is increased by 50%, find the increase percent in volume and the increase percent in the surface area.


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

#1075 2011-07-20 00:32:18

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

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