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#3401 2011-11-26 00:53:17

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi phrontister and bobbym,

The solutions #3411, #3416, and #3417 are correct, phrontister and bobbym! Magnificent!

#3418. The product of two numbers is 96 and one number is 1½ times the other; find the greater number.

#3419. A sum of money amounts to $1360 in 3 years and to $1720 in 6 years at simple interest per annum. What is the rate of interest?


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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#3402 2011-11-26 01:16:38

phrontister
Real Member
From: The Land of Tomorrow
Registered: 2009-07-12
Posts: 4,879

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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#3403 2011-11-26 01:27:15

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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#3404 2011-11-26 23:28:59

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi phrontister and bobbym,

The solutions #3418 and #3419 are correct. Fantastic!

#3420. By selling an article at $119, a man loses 15%. If he would sell it at $154, what would his gain percent be?

#3421. The sides of a triangle are in the ratio 2:3:4 and its perimeter is 36 centimeters. What is the greatest side of the triangle?


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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#3405 2011-11-26 23:39:17

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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#3406 2011-11-28 00:24:50

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi bobbym,

The solutions #3420 and #3421 are correct. Excellent!

#3422. A and B together can do a piece of work in 10 days; B and C in 15 days; and C & A in 20 days. In how many days can A alone do the work?

#3423. If 25 men working 8 hours a day earn $850, then 40 men working 6 hours a day would earn how much?


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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#3407 2011-11-28 00:57:27

phrontister
Real Member
From: The Land of Tomorrow
Registered: 2009-07-12
Posts: 4,879

Re: 10 second questions

Hi ganesh,

Last edited by phrontister (2011-11-29 00:15:03)


"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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#3408 2011-11-28 02:17:55

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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#3409 2011-11-29 01:23:53

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi,

phrontister : The solutions #3420, #3421, #3422, and #3423 are all correct. Marvelous!

bobbym : The solutions #3422 and #3423 are correct. Splendid!

#3424. The railway fare is increased by

% when a passenger ought to pay $16 more for a journey. What is the original fare?

#3425. There is a loss of 11% when an article is sold for $178. At what price is he sold at to gain 10%?


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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#3410 2011-11-29 01:45:21

phrontister
Real Member
From: The Land of Tomorrow
Registered: 2009-07-12
Posts: 4,879

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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#3411 2011-11-29 01:47:09

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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#3412 2011-11-30 00:24:03

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi phrontister and bobbym,

The solutions #3424 and #3425 are perfect. Marvelous!

#3426. A man paid 8% of his income in insurance and 12% in rent. His rent payment was $960. What was his payment for the insurance?

#3427. A tap can fill a cistern in 20 minutes and another can empty it in 15 minutes. When the cistern is ½ full, both the taps are opened together. When would the tank be empty?


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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#3413 2011-11-30 01:31:41

phrontister
Real Member
From: The Land of Tomorrow
Registered: 2009-07-12
Posts: 4,879

Re: 10 second questions

Hi ganesh,

Last edited by phrontister (2011-11-30 03:34:28)


"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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#3414 2011-11-30 02:13:17

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.

Offline

#3415 2011-12-01 00:17:18

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi phrontister and bobbym,

The solutions #3426 and #3427 are correct. Exemplary!

#3428. What is the value of

?

#3429. 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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#3416 2011-12-01 00:30:14

phrontister
Real Member
From: The Land of Tomorrow
Registered: 2009-07-12
Posts: 4,879

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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#3417 2011-12-01 08:04:45

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.

Offline

#3418 2011-12-01 20:55:30

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi phrontister and bobbym,

The solutions #3428 and #3429 are correct. Brilliant!

#3430. The first term of an Arithmetic Progression is 4, the common difference is 2. Find the difference between S[sub]142[/sub] - S[sub]136[/sub] where S represents the sum.

#3431. If p and q are the roots of the equation 3x[sup]2[/sup] + 7x + 12 = 0, then 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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#3419 2011-12-01 21:27:24

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

#3420 2011-12-01 23:18:53

phrontister
Real Member
From: The Land of Tomorrow
Registered: 2009-07-12
Posts: 4,879

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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#3421 2011-12-02 01:52:00

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi bobbym and phrontister,

The solutions #3430 and #3431 are both correct. Brilliant, bobbym!

The solution #3430 is correct, phrontister! Excellent!

#3432. Find the value/values of K in the sequence 3K + 4, K - 2, and 5K + 1 would be a Geometric Progression?


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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#3422 2011-12-02 02:42:55

John E. Franklin
Member
Registered: 2005-08-29
Posts: 3,588

Re: 10 second questions


igloo myrtilles fourmis

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#3423 2011-12-02 03:28:51

phrontister
Real Member
From: The Land of Tomorrow
Registered: 2009-07-12
Posts: 4,879

Re: 10 second questions

Hi ganesh,

Thanks for your explanation of #3431.

Last edited by phrontister (2011-12-02 19:51:29)


"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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#3424 2011-12-02 06:48:13

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.

Offline

#3425 2011-12-02 23:28:28

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi John E Franklin, phrontister, and bobbym,

The solutions -27/14, and 0 are correct. (Solution #3432). Outstanding!

#3433. If

and
, then what is x : y : z equal to?

#3434. A solid metallic cone of height 10 cm. radius of base 20 cm is melted to make spherical balls each of 4 cm diameter. How many such 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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