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#5276 2016-12-27 19:29:07

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,297

Re: Oral puzzles

Hi;

The solution #3668 is correct. Excellent, bobbym!

#3669. Solve the following equation for x:

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#5277 2016-12-27 20:23:49

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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#5278 2016-12-27 23:07:29

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,297

Re: Oral puzzles

Hi;

The solution set in #3669 is correct. Excellent, bobbym!

#3670. The distance of the point

from origin is
a) 2b units
b) b units
c) (1/2)b units
d) 4b units.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#5279 2016-12-28 07:20:22

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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#5280 2016-12-28 17:28:41

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,297

Re: Oral puzzles

Hi;

The solution #3670 is correct. Good work, bobbym!

#3671. If tanA = 5/12, find the value of (sinA + cosA).secA


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#5281 2016-12-28 22:22:05

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.

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#5282 2016-12-29 17:12:46

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,297

Re: Oral puzzles

Hi;

The solution #3671 is correct. Neat work, bobbym!

#3672. If

then find
.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#5283 2016-12-29 18:32:11

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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#5284 2016-12-30 17:40:15

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,297

Re: Oral puzzles

Hi;

The solution #3672 is correct. Neat work, bobbym!

#3673. A manufacturer of television sets produced 600 sets in the third year and 700 sets in the seventh year. Find the production in first year.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#5285 2016-12-30 20:09:37

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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#5286 2017-02-02 00:18:19

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,297

Re: Oral puzzles

Hi;

The solution #3673 is correct. Neat work, bobbym!

#3674. How many spherical bullets can be made out of a solid cube of lead whose edge measures 44 cm, each bullet being 4 cm in diameter?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#5287 2017-02-02 02:58:15

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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#5288 2017-02-03 17:12:53

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,297

Re: Oral puzzles

Hi;

The solution #3674 is correct. Neat work, bobbym!

#3675. A solid metallic cylinder of radius 14 cm and height 21 cm is melted and recast into 72 equal small spheres. Find the radius of one such sphere.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#5289 2017-02-03 19:12:10

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.

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#5290 2017-02-05 16:40:35

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,297

Re: Oral puzzles

Hi;

The solution #3675 is correct. Excellent, bobbym!

#3676. The diameter of a metallic sphere is equal to 9 cm. It is melted and drawn into a long wire of diameter 2 mm having uniform section. Find the length of the wire.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#5291 2017-02-05 20:35:44

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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#5292 2017-02-06 01:31:29

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,297

Re: Oral puzzles

Hi;

.

#3676. A card is drawn from a well shuffled pack of 52 cards. The probability that the card is not a red king is ________.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#5293 2017-02-06 02:04:24

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

#5294 2017-02-06 17:08:34

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,297

Re: Oral puzzles

Hi;

The solution #3676 is correct. Neat work, bobbym!

#3677. A number is selected at random from the numbers 1 to 30. The probability that it is a prime number is _______.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#5295 2017-02-07 01:08:30

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

#5296 2017-02-07 16:28:21

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,297

Re: Oral puzzles

Hi;

The solution #3677 is correct. Good work, bobbym!

#3678. Find the point on y-axis that is equidistant from points A(6, 5) and B(-4,3).


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#5297 2017-02-07 16:44:18

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

#5298 2017-02-13 18:49:36

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,297

Re: Oral puzzles

Hi;

The solution #3678 is correct. Very well done, bobbym!

#3679. For what value of k are the points (1,1), (3,k), and (-1,4) collinear?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#5299 2017-02-13 19:58:38

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

#5300 2017-02-17 17:23:54

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,297

Re: Oral puzzles

Hi;

The solution #3679 is correct. Good work, bobbym!

#3680. The common difference of the Arithmetic Progression 1/p, (1 - p)/p, (1 - 2p)/p is ______-.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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