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#3176 2014-11-04 15:03:56

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,418

Re: Oral puzzles

Hi bobbym,

The Solution #2076 is correct. Excellent!

#2078. 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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#3177 2014-11-04 20:44:02

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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#3178 2014-11-04 23:25:21

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,418

Re: Oral puzzles

Hi bobbym,

The solutions #2077 and #2078 are correct. Excellent!

#2079. Find

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

#3179 2014-11-05 02:57:10

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

#3180 2014-11-05 16:13:44

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,418

Re: Oral puzzles

Hi bobbym,

The Answer #2079 is perfect. Excellent!

#2080.

.


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

#3181 2014-11-05 21:10:24

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

#3182 2014-11-06 00:05:57

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,418

Re: Oral puzzles

Hi bobbym,

The solution #2080 is perfect. Excellent!

#2081. If the length of the shadow of a tower is

times that of its height, when what is the angle of evevation of the sun (in degrees)?


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

#3183 2014-11-06 14:48:27

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,418

Re: Oral puzzles

Hi,

#2082. 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.

Offline

#3184 2014-11-06 19:39:05

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

#3185 2014-11-07 00:09:18

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,418

Re: Oral puzzles

Hi bobbym,

The solution #2082 is correct. Marvelous!

#2083. 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.

Offline

#3186 2014-11-07 03:39:50

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

#3187 2014-11-07 12:03:48

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,418

Re: Oral puzzles

Hi bobbym,

The solution #2083 is perfect. Brilliant!

#2084. 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.

Offline

#3188 2014-11-07 20:17:24

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

#3189 2014-11-07 23:48:52

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,418

Re: Oral puzzles

Hi bobbym,

The solution #2084 is correct. Excellent!

#2085. If A + B = 90°, then find the value of sinAcosB + cosAsinB.


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

#3190 2014-11-08 00:45:59

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

#3191 2014-11-08 14:53:15

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,418

Re: Oral puzzles

Hi bobbym,

The solution #2085 is correct. Neat job!

#2086. Find the common difference of an Arithmetic Progression whose 4th term is 19 and 7th term is 28.


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

#3192 2014-11-08 16:50:41

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

#3193 2014-11-09 00:41:40

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,418

Re: Oral puzzles

Hi bobbym,

The solution #2086 is correct. Excellent!

#2087. Find the fifth term of a Geometric Progression with first term a = 5 and common ratio

.


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

#3194 2014-11-09 01:40:09

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

#3195 2014-11-09 14:27:52

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,418

Re: Oral puzzles

Hi bobbym,

The solution #2087 is perfect. Excellent!

#2088. Find the value of

when x = 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

#3196 2014-11-09 15:54:45

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

#3197 2014-11-10 00:58:29

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,418

Re: Oral puzzles

Hi bobbym,

The solution #2088 is correct. Brilliant!

#2089. Find the value : 3 + 6 + 9 + .... + 60.


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

#3198 2014-11-10 02:12:36

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

#3199 2014-11-10 15:22:54

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,418

Re: Oral puzzles

Hi bobbym,

The solution #2089 is perfect. Excellent!

#2090. If 2 + 4 + 6 +  ....... + 2k = 90, then find the value of k.


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

#3200 2014-11-10 22:26:50

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

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