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#3326 2011-11-08 03:00:58
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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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#3327 2011-11-09 00:27:11
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: 10 second questions
Hi bobbym,
The solution #3372 is perfect. Neat job!
#3373. What is the ratio of the areas of the circle circumscribing a square and the circle which is inscribed in the square?
#3374. The length of a rectangle is increased by 30% and its breadth is decreased by 20%. Then, what is the ratio of the areas of the two rectangles?
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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#3328 2011-11-09 00:33:41
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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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#3329 2011-11-10 00:48:17
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: 10 second questions
Hi bobbym,
The solution #3373 is perfect. Good work!
#3375. 0.00064 x 125 = ?
#3376. What is the difference between the largest seven digit number and the largest five digit number?
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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#3330 2011-11-10 00:53:15
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
For 3374, I read the problem wrong!
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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#3331 2011-11-11 00:24:55
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: 10 second questions
Hi bobbym,
The solutions #3375 and #3376 are correct. Good work!
#3377. A wire is in the form of a circle of radius 42 centimeters. If it is bent into a square, what is the length of its side?
(Use
#3378. The diameters of two cylinders are in the ratio 2:1 and their volumes are equal. What is the ratio of their heights?
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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#3332 2011-11-11 01:21:33
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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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#3333 2011-11-11 21:13:35
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: 10 second questions
Hi bobbym,
The solutions #3377 and #3378 are perfect. Excellent!
#3379. A Television set was sold at a loss of 15%. If $1625 more had been charged, then a profit of 10% would have been made. What in the cost price of the Television set?
#3380. A man spends $2135 per month and saves 30% of his monthly income. Then, what is his monthly income?
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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#3334 2011-11-11 22:11:30
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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
#3335 2011-11-11 23:31:30
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: 10 second questions
Hi bobbym,
The solutions #3379 and #3380 are correct. Good work!
#3381. The wheel of an engine of a train has circumference
meters. It makes 14 revolutions in 3 seconds. What is the speed of the train 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.
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#3336 2011-11-11 23:45:37
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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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#3337 2011-11-12 00:04:58
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: 10 second questions
Hi bobbym,
The solution #3381 is perfect. Brilliant!
#3382. Find 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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#3338 2011-11-12 00:26:23
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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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#3339 2011-11-12 00:59:08
- phrontister
- Real Member
- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 4,827
Re: 10 second questions
Hi ganesh;
"The good news about computers is that they do what you tell them to do. The bad news is that they do what you tell them to do." - Ted Nelson
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#3340 2011-11-12 21:57:08
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: 10 second questions
Hi bobbym and phrontister,
Excellent, bobbym and phrontister!
#3383. M sold a radio at a gain of 8% to R, who sold it to U for a loss of 5%. If U bought the radio for $2565, at what price did M bought it?
#3384. In an examination, A gets 20% more marks than B. Then, the marks scored by B are less than those of A by what percent?
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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#3341 2011-11-12 22:32:16
- phrontister
- Real Member
- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 4,827
Re: 10 second questions
Hi ganesh,
"The good news about computers is that they do what you tell them to do. The bad news is that they do what you tell them to do." - Ted Nelson
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#3342 2011-11-12 22:48:45
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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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#3343 2011-11-12 22:52:08
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: 10 second questions
Hi phrontister and bobbym,
The solutions #3383 and #3384 are correct. Wonderful!
#3385. Three cubes of metal whose edges are in the ratio 3:4:5 are melted to form a single cube, whose diagonal is 2√3 centimeters. Find the edges of the three cubes.
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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#3344 2011-11-12 23:03:22
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
How did I do for #3383 and #3384?
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
#3345 2011-11-12 23:24:06
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: 10 second questions
Hi bobbym,
You answered wonderfully! (#3383 and #3384)
The solution
#3386. Find the value of 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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#3346 2011-11-12 23:38:44
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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
#3347 2011-11-13 01:32:15
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,349
Re: 10 second questions
Hi bobbym,
The solution #3386 is correct. Excellent!
#3387. 30 consecutive terms of the Arithmetic Progression 100 + 99 + 98 + .... are taken to get a sum 1155. At which term would you begin to get the given total?
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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#3348 2011-11-13 01:43:35
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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
#3349 2011-11-13 10:24:59
- phrontister
- Real Member
- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 4,827
Re: 10 second questions
Hi ganesh,
Last edited by phrontister (2011-11-13 15:31:05)
"The good news about computers is that they do what you tell them to do. The bad news is that they do what you tell them to do." - Ted Nelson
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#3350 2011-11-13 14:54:25
- phrontister
- Real Member
- From: The Land of Tomorrow
- Registered: 2009-07-12
- Posts: 4,827
Re: 10 second questions
Hi ganesh,
Last edited by phrontister (2011-11-13 18:03:28)
"The good news about computers is that they do what you tell them to do. The bad news is that they do what you tell them to do." - Ted Nelson
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