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#551 2011-01-26 01:14:45
- 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.
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#552 2011-01-26 02:07:52
- Howardroark
- Member
- Registered: 2010-10-10
- Posts: 382
Re: Oral puzzles
Hi ganesh,
I come from a civilization which has given the world the number 0..
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#553 2011-01-27 01:04:25
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym and Howardroark,
The solution to 895 is 441 square cm. Well done, bobbym! Keep trying, Howardroark!
#896. The curved surface area of a cylinder is
square cm having the height 15 cm. What is 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.
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#554 2011-01-27 01:15:06
- 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.
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#555 2011-01-27 01:44:06
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym,
The solution to 896 is correct. Good work!
#897. 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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#556 2011-01-27 01:50:07
- 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
#557 2011-01-27 02:12:31
- gAr
- Member
- Registered: 2011-01-09
- Posts: 3,482
Re: Oral puzzles
Hi ganesh,
"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense" - Buddha?
"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."
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#558 2011-01-27 03:34:13
- Howardroark
- Member
- Registered: 2010-10-10
- Posts: 382
Re: Oral puzzles
Hi ganesh,
I come from a civilization which has given the world the number 0..
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#559 2011-01-28 00:18:25
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym, gAr, and Howardroark,
The solution to 897 is perfect. Good work!
#898. The ratio of heights and base radii of two cylinders are in the ratio 1:2 and 2:1 respectively. What is the ratio of their 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.
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#560 2011-01-28 00:46:43
- 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
#561 2011-01-29 00:53:39
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym,
The solution to 898 is correct. Good work!
#899. What is the curved surface area of a hollow cylinder?
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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#562 2011-01-29 01:48:00
- 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
#563 2011-01-30 00:49:14
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym,
The solution is the curved surface area of a hollow cylinder is
where R and r are External and Internal radii respectively.#900. What is the curved surface area of a cylinder of base radius 5 cm. and height 6 cm.? (in terms 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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#564 2011-01-30 01:14:21
- 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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#565 2011-01-31 00:35:03
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym,
The solution to 900 is correct. Well done!
#901. The height and radius of a cylinder are both 7 cm. What is its curved surface area? (use
)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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#566 2011-01-31 01:13:40
- 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
#567 2011-02-01 00:16:04
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym,
The solution to 901 is correct. Neat job!
#902. If the circumference of the base of a cone is 48 cm. and slant height is 20 cm. What is the lateral 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.
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#568 2011-02-01 00:29:26
- 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
#569 2011-02-01 05:38:05
- Howardroark
- Member
- Registered: 2010-10-10
- Posts: 382
Re: Oral puzzles
Hi ganesh,
I come from a civilization which has given the world the number 0..
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#570 2011-02-02 01:26:39
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym and Howardroark,
The solution to 902 is correct (480 square cm.). Well done, Howardroark!
#903. Find x 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.
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#571 2011-02-02 01:37:33
- 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
#572 2011-02-03 00:58:26
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym,
The solution to 903 is correct. Well done!
#904. If n, p, and q are in Geometric Progression, then what is the expression for p in terms of n and q?
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
#573 2011-02-03 02:47:11
- 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
#574 2011-02-03 03:00:38
- gAr
- Member
- Registered: 2011-01-09
- Posts: 3,482
Re: Oral puzzles
Hi ganesh,
"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense" - Buddha?
"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."
Offline
#575 2011-02-03 18:24:48
- Howardroark
- Member
- Registered: 2010-10-10
- Posts: 382
Re: Oral puzzles
Hi ganesh,
I come from a civilization which has given the world the number 0..
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