Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#226 2015-09-17 22:40:26
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,171
Re: Mensuration
Hi zetafunc,
The solution M # 101 (both parts) is correct! Exellent!
M # 102. The diameter of a metallic sphere is 6 centimeters. It is melted and drawn into a wire having diameter of the cross-section as 0.2 centimeter. Find the length of the wire.
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
#227 2015-09-17 22:59:57
#228 2015-09-17 23:39:48
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,171
Re: Mensuration
Hi zetafunc,
The solution M # 102 s perfect! Keep it up, zetafunc!
M # 103. The dameter of a metallic sphere is 6 centimeters. If the sphere is melted and drawn into a wire of uniform cross-section. If the length of the wire 36 meters, 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.
Offline
#229 2015-09-17 23:40:50
#230 2015-09-18 01:23:53
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,171
Re: Mensuration
Hi zetafunc,
The solution M # 103ater flow is correct! Well done!
M # 104. A cylindrical pipe has inner diameter of 7 centimeters and water flows through it at 192.5 liters per meter. Find the rate of flow in kilometers per hour.
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
#231 2015-09-19 01:37:24
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
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
#232 2015-09-19 14:42:01
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,171
Re: Mensuration
Hi bobbym,
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
#233 2015-09-19 23:27:49
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
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
#234 2015-09-20 06:17:20
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,171
Re: Mensuration
Hi bobbym,
M # 105. A pendulum swings through an angle of 30 degrees and describes an arc 8.8 centimeters in length. Find the length of the pendulum.
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
#235 2015-09-20 12:21:17
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
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
#236 2015-09-20 16:48:36
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,171
Re: Mensuration
Hi bobbym,
I hope you found the solution M # 104 informative.
The solution M # 105 is correct! Neat work!
M # 106. Three cubes each of side 5 centimeters are joined end to end. Find the surface area of the resulting cuboid.
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
#237 2015-10-02 17:50:42
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
Hi;
I appreciate the solution for M # 104.
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
#238 2015-10-02 19:40:20
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,171
Re: Mensuration
Hi bobbym,
Thanks a lot, bobbym! (M # 104)
The solution M # 106 is correct! Good work!
M # 107. How many spherical lead shots each 4.2 centimeters in diameter can be obtained from a cuboid solid of dimesions 66 centimeters, 42 centimeters, and 21 centimeters.
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
#239 2015-10-03 16:37:38
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
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
#240 2015-10-03 17:00:36
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,171
Re: Mensuration
Hi bobbym,
The solution M # 107 is perfect! Brilliant!
M # 108. A right circular cone is 3.6 centimeters high and radius of its base is 1.6 centimeter. It is melted and recast into a right circular cone with radius of its base as 1.2 centimeter. Find its 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.
Offline
#241 2015-10-05 23:12:55
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
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
#242 2015-10-06 00:06:48
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,171
Re: Mensuration
Hi bobbym,
The solution M # 108 is correct! Magnificent, bobbym!
M # 109. A conical vessel whose internal radius is 5 cm and height 24 cm is full of water. The water is emptied into a cylindrical vessel with internal radius 10 cm. Find the height to which the water rises.
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
#243 2015-10-08 03:51:24
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
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
#244 2015-10-08 08:15:32
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,171
Re: Mensuration
Hi bobbym,
The solution M # 109 is perfect! Keep it up!
M # 110.The e two rings?inner and outer diameters of ring I of a dartboard are 32 cm and 34 cm respectively and those of rings II are 19 cm and 21 cm respectively. What is the total area of these two rings?
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
#245 2015-10-14 19:07:29
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
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
#246 2015-10-15 02:38:28
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,171
Re: Mensuration
Hi bobbym,
The solution M # 110 is correct! Excellent, bobbym!
M # 111. Water is being pumped out through a circular pipe whose internal diameter is 7 cm. If the flow of water is 72 cm per second, how many liters of water are being pumped out in one hour?
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
#247 2015-10-17 18:11:06
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
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
#248 2015-10-17 20:09:05
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,171
Re: Mensuration
Hi bobbym,
The solution M # 111 is correct! Stupendous, bobbym!
M # 112. Water is flowing at the rate of 3 km / hour through a circular pipe of 20 cm internal diameter into a circular cistern of diameter 10 meters and depth 2 meters. In how much time will the cistern be filled?
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
#249 2015-10-19 21:50:21
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Mensuration
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
#250 2015-10-19 23:12:40
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,171
Re: Mensuration
Hi bobbym,
The solution M #112 is perfect! Stupendous!
M # 113. The rain water from a roof of 22 m x 20 m drains into a cylindrical vessel having diameter of base 2 m and height 5.5 m. If the vessel is just full, find the rain fall in cm.
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