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#3226 2014-11-17 00:20:23

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Oral puzzles

Hi bobbym,

#2104. If the equations 2x + 3y = 9 and ax + y = 3 represent the same line, find the value of 'a'.


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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#3227 2014-11-17 00:55:22

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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#3228 2014-11-17 16:42:57

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Oral puzzles

Hi bobbym,

The solution #2104 is correct. Excellent!

#2105. Find the common ratio of the Geometric Progression

.


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

#3229 2014-11-17 17:15:41

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

#3230 2014-11-17 23:43:48

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Oral puzzles

Hi bobbym,

The solution #2105 is correct. Neat job!

#2106. Find the Least Common Multiple 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

#3231 2014-11-18 00:16:05

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

#3232 2014-11-18 01:37:29

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Oral puzzles

Hi bobbym,

The solution #2106 is correct. Excellent!

#2107. Find the value :

.


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

#3233 2014-11-18 01:47:00

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

#3234 2014-11-18 14:48:47

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Oral puzzles

Hi bobbym,

The solution #2107 is correct. Excellent!

#2108. If the total surface area of a sold hemisphere is

square centimeters, find the curved 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

#3235 2014-11-18 15:03:35

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

#3236 2014-11-19 00:28:12

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Oral puzzles

Hi bobbym,

The solution #2108 is correct. Good work!

#2109. The circumference of the base of a 12 meter high wooden solid cone is 44 meters. Find the volume.

.


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

#3237 2014-11-19 15:07:27

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Oral puzzles

Hi,

#2110. Simplify :-

.


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

#3238 2014-11-19 18:55:24

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

#3239 2014-11-20 00:16:53

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Oral puzzles

Hi bobbym,

The solution #2110 is correct. Magnifient!

#2111. If

is a perfect square, then find the values of m and n.


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

#3240 2014-11-20 14:07:35

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

#3241 2014-11-20 15:09:56

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Oral puzzles

Hi bobbym,

The solution #2111 is correct. Excellent!

#2112. Find the area of the quadrilareral formed by the points (-4,-2), (-3,-5), (3,-2) and (2,3).


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

#3242 2014-11-20 20:24:40

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

#3243 2014-11-21 00:03:31

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Oral puzzles

Hi bobbym,

The solution #2112 is perfect. Remarkable!

#2113. Form a quadratic equation whose roots are

.


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

#3244 2014-11-21 02:27:18

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

#3245 2014-11-21 15:09:08

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Oral puzzles

Hi bobbym,

The solution #2113 is correct. Excellent!

#2114. The radii of two right circular cyclinders are in the ratio 2:3. Find the ratio of their volumes if their heights are in the ratio 5:3.


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

#3246 2014-11-21 17:16:27

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

#3247 2014-11-22 00:31:31

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Oral puzzles

Hi bobbym,

The solution #2114 is correct. Good work!

#2115. If the total surface area of a solid right circular cylinder is thrice its urved surface area, then find the height in terms of its radius.


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

#3248 2014-11-22 01:04:55

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

#3249 2014-11-22 15:18:03

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Oral puzzles

hi bobbym,

The solution #2115 is correct. Neat job!

#2116. Find the square root of the polynomial

.


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

#3250 2014-11-22 21:45:08

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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