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#4076 2015-09-26 08:39:32
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi bobbym,
The solution 32520 is perfect! Splendid!
#2521. Fnd the equation of the line through the point P (-5,1) and parallel to the line joining the points Q (6,-1) and R (-2,-5).
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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#4077 2015-09-26 19:30:30
- math9maniac
- Member
- From: Tema
- Registered: 2015-03-30
- Posts: 443
Re: Oral puzzles
Only a friend tells you your face is dirty.
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#4078 2015-09-26 22:16:38
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi math9maniac,
The solution #2521 is correct! Neat work!
#2522. Find the remainder when
is divided by (1 - 3x).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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#4079 2015-09-27 02:51:04
- 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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#4080 2015-09-27 08:45:28
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi bobbym,
The solution #2522 is perfect! Neat work!
#2523. Given that
leaves a remainder 1 on division by (2x + 1), and leaves a remainder 2 on division by (3x - 1) find 'p' and 'q'.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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#4081 2015-09-27 12:01:56
- 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.
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#4082 2015-09-27 15:52:08
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi bobbym,
The solution #2523 is correct! Brilliant!
#2524. For what value of 'm' is
exactly divisible by (x - 2)?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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#4083 2015-09-28 23:07:47
- 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.
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#4084 2015-09-29 00:33:57
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi bobbym,
The solution #2524 is correct! Neat work!
#2525. Find the difference between Compound Interest and Simple Interest on $8000 at 5% per annum for 3 years compounded annually.
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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#4085 2015-09-29 15:04:54
- 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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#4086 2015-09-29 15:58:37
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi bobbym,
The solution#2525 (Simple Interest = $1200, Compound Interest = $1261, Difference = $61) is correct! Neat work!
#2526. A number is selected at random from 40 to 80. Find the probability that it is divisible by 6 or 9.
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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#4087 2015-09-29 20:11:54
- 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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#4088 2015-09-29 21:22:48
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi bobbym,
The solution #2526 is correct, bobbym! Excellent!
#2527. If
is a perfect square, find the value of 'a' and 'b'.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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#4089 2015-10-01 19:27:43
- 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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#4090 2015-10-01 20:45:34
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi bobbym,
The solution #2527 is correct! Exellent!
#2528.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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#4091 2015-10-02 15:53:18
- 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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#4092 2015-10-02 16:28:46
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi bobbym,
The solution #2528 is correct! Neat work!
#2529. Solve each of the following equations for
.
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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#4093 2015-10-04 00:42:07
- 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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#4094 2015-10-04 01:36:46
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi bobbym,
The solution #2529 (both parts) are correct, bobbym! Neat work!
#2530. If the sum of 'n' even natural numbers is 420, find the value of 'n'.
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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#4095 2015-10-04 13:22:09
- 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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#4096 2015-10-04 15:52:21
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi bobbym,
The solution #2530 is correct! Good work!
#2531. If the sum of 'n' successive odd natural numbers starting from 3 to 48, find the value of 'n'.
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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#4097 2015-10-04 22:12:57
- 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
#4098 2015-10-04 23:56:28
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi bobbym,
Edited : #2531. If the sum of 'n' successive odd natural numbers starting from 3 is 48, find the value of 'n'.
#2532. Divide 29 into two parts so that the sum of the squares of the parts is 425.
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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#4099 2015-10-06 13:39:04
- 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
#4100 2015-10-06 15:22:32
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Oral puzzles
Hi bobbym,
The solutions, #2531 and #2532, are both correct! Brilliant, bobbym!
#2533. Two squares have sides 'x' cm and (x + 4) cm. The sum of their areas is 656 square centimeters. Find the sides of the 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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