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#3101 2014-10-14 21:12:38
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,425
Re: Oral puzzles
Hi bobbym,
The solution #2037 is correct. Remarkable!
#2038. The radius of a spherical balloon increases from 7 centimeters to 14 centimeters as air is pumped into it. Find the ratio of the volumes of the balloon in the two cases.
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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#3102 2014-10-14 21:51:44
- 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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#3103 2014-10-15 00:30:20
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,425
Re: Oral puzzles
Hi bobbym,
The solution #2038 is correct. Neat job!
#2039. A play-top is in the form of a hemisphere sumounted on a cone. The diameter of the hemisphere is 3.6 cm. The total height of the play-top is 4.2 cm. Find the total 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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#3104 2014-10-15 07:28:14
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,425
Re: Oral puzzles
Hi,
#2040. Find the curved surface area of a right circular cylinder of radius 1 centimeter and and height 1 centimeter.
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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#3105 2014-10-15 10:35:17
- 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
#3106 2014-10-16 00:13:05
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,425
Re: Oral puzzles
Hi bobbym,
The solution #2040 is correct. Neat job!
#2041. Find the total surface area of a solid right circular cylinder whose radius is half of its height h.
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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#3107 2014-10-16 02:13:10
- 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
#3108 2014-10-16 08:21:26
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,425
Re: Oral puzzles
Hi bobbym,
The solution #2041 is correct. Excellent!
#2042. The base area of a right circular cylinder is 80 square centimeters. If is height is equal to 5 centimeters, then find its 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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#3109 2014-10-16 10:01:11
- 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.
Offline
#3110 2014-10-17 02:54:36
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,425
Re: Oral puzzles
Hi bonnym,
The solution #2042 is correct. Neat job!
#2043. If the total surface area of a solid right circular cylinder is
square centimeters and its radius is 5 centimeters, then find the sum of its height and 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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#3111 2014-10-17 03:34:39
- 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
#3112 2014-10-17 07:42:55
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,425
Re: Oral puzzles
Hi bobbym,
The solution #2043 is correct. Brilliant!
#2044. Radius and height of a right circular cone and that of a right circular cylinder are respectively, equal. If the volume of the cylinder is 120 cubic centimeters, then find the volume of the cone.
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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#3113 2014-10-17 09:30:40
- 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
#3114 2014-10-17 19:15:38
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,425
Re: Oral puzzles
Hi bobbym,
The solution #2044 is correct. Neat job!
#2045. If the diameter and height of a right circular cone are 12 centimeters and 8 centimeters, then find the slant height.
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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#3115 2014-10-17 20:06:37
- 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.
Offline
#3116 2014-10-18 00:36:56
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,425
Re: Oral puzzles
Hi bobbym,
The solution #2045 is correct. Brilliant!
#2046. If the circumference at the base of a right circular cone and the slant height are
centimeters and 10 centimeters respectively, then find the curved surface area of the cone.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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#3117 2014-10-18 01:25:13
- 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
#3118 2014-10-18 09:35:55
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,425
Re: Oral puzzles
Hi bobbym,
The solution #2046 is correct :
square centimeters. Excellent!#2047. If the volume and the base area of a right circular cone are
and square centimeters respectively, then find the height of the cone.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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#3119 2014-10-18 10:43:01
- 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
#3120 2014-10-19 00:33:38
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,425
Re: Oral puzzles
Hi bobbym,
#2048. If the height and base area of a right circular cone are 5 centimeters and 48 square centimeters respectively, find the volume of the cone.
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
#3121 2014-10-19 00:55:52
- 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
#3122 2014-10-19 09:47:35
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,425
Re: Oral puzzles
Hi bobbym,
The solution #2048 is correct. Neat job!
#2049. The ratios of the respective heights and the respective radii of two cylinders are 1:2 and 2:1 respectively. Find their ratio of respective volumes.
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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#3123 2014-10-19 13:33:28
- 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
#3124 2014-10-20 00:24:37
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,425
Re: Oral puzzles
Hi bobbym,
The solution #2049 is correct. Neat job!
#2050. If the radius of a sphere is 2 centimeters, then what is the surface area of the sphere?
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
#3125 2014-10-20 01:02:45
- 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