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#3151 2014-10-27 01:16:37
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,423
Re: Oral puzzles
Hi bobbym,
The solution #2063 is correct. Remarkable!
#2064. Find the total surface area of a hollow cylinder of length of length 14 centimeters whose external and internal radii are 4 centimeters and 3 centimeters respectively.
.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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#3152 2014-10-27 03:24:12
- 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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#3153 2014-10-27 15:36:40
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,423
Re: Oral puzzles
Hi bobbym,
The solution #2064 is perfect. Fantastic!
#2065. If the total surface area of a sphere is 616 square centimeters, then find 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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#3154 2014-10-27 18:54:39
- 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.
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#3155 2014-10-28 00:26:51
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,423
Re: Oral puzzles
Hi bobbym,
The solution #2065 is perfect. Fantastic!
#2066. The volume of a right circular solid cylinder is
cubic centimeters. If its height is 8 centimeters, find the diameter of the 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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#3156 2014-10-28 00:34:10
- 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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#3157 2014-10-28 14:18:04
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,423
Re: Oral puzzles
Hi bobbym,
The solution #2066 is correct. Excellent!
#2067. The base radius and the slant height of a right circular cone are 5 centimeters and 13 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.
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#3158 2014-10-28 19:03:27
- 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.
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#3159 2014-10-29 00:19:23
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,423
Re: Oral puzzles
Hi bobbym,
The solution #2067 is correct. Brilliant!
#2068. Radius and height of a right circular cone are 12 centimeters and 8 centimeters. How many times the volume of a sphere of radius 4 centimeters is equal to the volume of a right circular 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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#3160 2014-10-29 13:35:35
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,423
Re: Oral puzzles
Hi bobbym,
#2069. The largest sphere (sphere with maximum volume) is carved out of a cube of side 14 centimeters. Find the volume 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.
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#3161 2014-10-30 00:01:27
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,423
Re: Oral puzzles
Hi bobbym,
#2070. Volume of a solid sphere is 179.67 cubic centimeters. Find its 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.
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#3162 2014-10-30 01:47:13
- 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
#3163 2014-10-30 13:13:38
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,423
Re: Oral puzzles
Hi bobbym,
The solution #2070 is perfect. Neat job!
#2071. How many meters of cloth 4 meter wide will be required to make 5 identical tents each of radius 14 meters and slant height 50 meters?
.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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#3164 2014-10-30 20:55:24
- 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
#3165 2014-10-31 00:36:05
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,423
Re: Oral puzzles
Hi bobbym,
#2072. The total surface area of a right circular solid cone is 704 square centimeters. If its radius is 7 centimeters, then find the volum 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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#3166 2014-10-31 14:55:10
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,423
Re: Oral puzzles
Hi,
#2073. The curved surface area and total surface areas of a solid cylinder are 880 square centimeters and 1188 square centimeters respectively. 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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#3167 2014-10-31 19:10:18
- 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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#3168 2014-10-31 23:40:28
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,423
Re: Oral puzzles
Hi bobbym,
The solutions #2072 and #2073 are correct. Magnificent!
#2074. The total surface area of a solid hemispherical ball is 942 square centimeters. It is melted and made into small solid spherical balls of diameter 2 centimeter each. How many balls can be made?
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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#3169 2014-11-01 08:01:13
- 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
#3170 2014-11-01 14:45:58
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,423
Re: Oral puzzles
Hi bobbym,
2075.
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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#3171 2014-11-03 00:58:43
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,423
Re: Oral puzzles
Hi,
#2076. Evaluate :-
.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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#3172 2014-11-03 17:08:11
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,423
Re: Oral puzzles
Hi,
#2077.
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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#3173 2014-11-03 20:53:23
- 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
#3174 2014-11-04 00:21:46
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,423
Re: Oral puzzles
Hi bobbym,
The solution #2075 is correct. Good work!
The problem is #2076:-
.#2077.
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
#3175 2014-11-04 05:51:47
- 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