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#4826 2016-05-06 23:53:18

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.

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#4827 2016-05-07 05:20:02

Relentless
Member
Registered: 2015-12-15
Posts: 624

Re: Oral puzzles

Hey (:

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#4828 2016-05-07 17:35:00

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,366

Re: Oral puzzles

Hi;

The solution #2995 (two values) are correct. Neat work, bobbym and Relentless!

#2996. Find the roots of the quadratic equation:

.


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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#4829 2016-05-07 21:51:10

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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#4830 2016-05-08 15:21:51

Monox D. I-Fly
Member
Registered: 2015-12-02
Posts: 891

Re: Oral puzzles

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#4831 2016-05-08 16:46:09

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,366

Re: Oral puzzles

Hi;

The two solutions in #2996 are correct. Brilliant, bobbym and Monox D. I-Fly!

#2997. Find the roots of the quadratic equation:


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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#4832 2016-05-09 01:43:55

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

#4833 2016-05-09 15:39:10

Monox D. I-Fly
Member
Registered: 2015-12-02
Posts: 891

Re: Oral puzzles

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#4834 2016-05-09 17:20:25

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,366

Re: Oral puzzles

Hi;

The solutions in #2997 are correct (two values). Neat work, bobbym and Monox D. I-Fly!

#2998. Find the roots of the quadratic equation:


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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#4835 2016-05-09 18:15:25

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

#4836 2016-05-10 01:12:32

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,366

Re: Oral puzzles

Hi;

The two solutions in #2998 are correct. Neat work, bobbym!

#2999. The sum of two numbers is 18. The sum of their reciprocals is 1/4. Find the numbers.


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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#4837 2016-05-10 05:07:14

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

#4838 2016-05-10 23:41:10

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,366

Re: Oral puzzles

Hi;

The two solutions in #2999 are correct. Well done, bobbym!

#3000. Two numbers differ by 3 and their product is 504. Find the numbers.


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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#4839 2016-05-11 05:46:04

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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#4840 2016-05-11 16:15:56

Monox D. I-Fly
Member
Registered: 2015-12-02
Posts: 891

Re: Oral puzzles

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#4841 2016-05-11 21:24:07

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,366

Re: Oral puzzles

Hi;

The two solutions in #3000 are correct. Excellent, bobbym and Monox D. I-Fly!

#3001. 300 apples are distributed equally among a certain number of students. Had there been 10 more students, each would have received one apple less. Find the number of students.


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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#4842 2016-05-12 04:30:09

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

#4843 2016-05-12 22:53:14

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,366

Re: Oral puzzles

Hi;

The solution #3001 is correct. Neat work, bobbym!

#3002. Find the sixth term from the end of the Arithmetic Progression: 17, 14, 11, ..... , -40.


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

#4844 2016-05-13 02:56:22

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.

Offline

#4845 2016-05-13 20:45:41

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,366

Re: Oral puzzles

Hi;

The solution #3002 is correct. Excellent, bobbym!

#3003. Find the discriminant of the quadratic equation

and hence find its nature of its roots.


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

#4846 2016-05-14 18:54:26

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

#4847 2016-05-14 19:36:38

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,366

Re: Oral puzzles

Hi;

The solution #3003 is correct. Neat work, bobbym!

#3004. Three cubes each of side 5 cm and joined end to end. Find the surface area of the resulting cuboid.


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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#4848 2016-05-15 03:08:47

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

#4849 2016-05-15 17:21:13

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,366

Re: Oral puzzles

Hi;

The solution #3004 is correct. Excellent, bobbym!

#3005. Find the sum of the first 22 terms of the Arithmetic Progression : 8, 3, -2, ....


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

#4850 2016-05-15 18:10:57

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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