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#4551 2016-03-01 14:19:05
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
Re: Oral puzzles
Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.
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#4552 2016-03-01 15:30:48
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Oral puzzles
Hi;
The solution #2767 is correct. Excellent, bobbym and Monox D. I-Fly!
#2768. 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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#4553 2016-03-02 10:57:35
- 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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#4554 2016-03-02 15:38:39
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Oral puzzles
Hi;
The solution #2768 is correct. Magnificent, bobbym!
#2769. Solve: x + y = 3 and 2x + 5y = 12.
#2770. Solve: x - 2y = 5 and 2x + 3y = 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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#4555 2016-03-02 17:39:36
- 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
#4556 2016-03-02 23:34:20
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Oral puzzles
Hi;
The solutions in #2769 and #2770 are correct. Neat work, bobbym!
#2771. Find the smallest number which leaves remainders 8 and 12 when divided by 28 and 32 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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#4557 2016-03-03 14:15:56
- 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
#4558 2016-03-03 16:41:58
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Oral puzzles
Hi;
The solution #2771 is correct. Neat work, bobbym!
Express each of the following integers as a product of its prime factors.
#2772. (i) 420 (ii) 468.
#2773. (i) 945 (ii) 7325.
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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#4559 2016-03-03 18:33:47
- 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
#4560 2016-03-03 23:23:15
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Oral puzzles
Hi;
The solutions #2772 and #2773 (two parts each) are correct. Excellent, bobbym!
#2774. Determine the prime factorization of each of the following positive integer:
(i) 20570.
(ii) 58500.
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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#4561 2016-03-04 15:37:33
- 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
#4562 2016-03-04 17:14:18
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Oral puzzles
Hi;
The solution #2774 (both parts) are correct. Excellent, bobbym!
#2775. Determine the prime factorization of the following positive integer: 45470971.
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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#4563 2016-03-04 17:43:24
- 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
#4564 2016-03-04 17:58:33
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Oral puzzles
Hi;
The solution #2775 is correct. Magnificent, bobbym!
#2776. Solve:
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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#4565 2016-03-04 19:39:36
- 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
#4566 2016-03-05 00:23:39
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Oral puzzles
Hi;
The solution #2776 is correct. Impeccable, bobbym!
#2777. Given 15cotA = 8, find find sin A and sec A.
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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#4567 2016-03-05 04:08:15
- 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
#4568 2016-03-05 15:16:58
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Oral puzzles
Hi;
The solution #2777 (two parts) are correct. Neat work, bobbym!
#2778. If cosec A = 2, 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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#4569 2016-03-05 18:06:05
- 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
#4570 2016-03-05 18:34:40
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Oral puzzles
Hi;
The solution #2778 is perfect. Excellent, bobbym!
#2779. Sum of the areas of two squares is 640 square meters. If the difference of the perimeters is 64 meters, find the sides of the two squares.
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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#4571 2016-03-06 04:28:38
- 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
#4572 2016-03-06 16:57:07
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Oral puzzles
Hi;
The solution #2779 is correct. Excellent, bobbym!
#2780. Sum of the areas of two squares is 400 square centimeters. If the difference of their perimeters is 16 cm, find the sides of two squares.
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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#4573 2016-03-06 19:09:59
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
Re: Oral puzzles
Last edited by Monox D. I-Fly (2016-03-06 19:36:42)
Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.
Offline
#4574 2016-03-06 23:42:21
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: Oral puzzles
Hi;
The solution #2780 is correct. Excellent, Monox D. I-Fly!
#2781. The area of a rectangular plot is 528 square meters. The length of the plot (in meters) is one meter more then twice its breadth. Find the length and the breadth of the plot.
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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#4575 2016-03-07 05:13:58
- 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