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#1651 2012-01-16 02:20:13

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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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#1652 2012-01-17 01:34:52

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,413

Re: Oral puzzles

Hi bobbym,

The solution #1370 is perfect. Excellent!

#1371.


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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#1653 2012-01-17 01:42:29

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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

#1654 2012-01-18 01:39:13

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,413

Re: Oral puzzles

Hi bobbym,

The solution #1371 is perfect. Well done!

#1372. The sum of the squares of three consecutive natural numbers is 2030. Then, what is the middle 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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#1655 2012-01-18 01:43:54

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

Hi #1372;


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

#1656 2012-01-19 02:15:22

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,413

Re: Oral puzzles

Hi bobbym,

The solution #1372 is perfect. Wonderful!

#1373. A man crosses a road 250 meters wide in 75 seconds. What is his speed 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

#1657 2012-01-19 02:49:12

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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

#1658 2012-01-20 01:28:18

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,413

Re: Oral puzzles

Hi bobbym,

The solution #1373 is correct. Excellent!

#1374. If

and
, then what is the ratio
equal to?


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

#1659 2012-01-20 01:32:48

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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

#1660 2012-01-21 02:00:17

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,413

Re: Oral puzzles

Hi bobbym,

The solution #1374 is correct. Excellent!

#1375. The sum of two numbers is 40 and their difference is 4. What is the ratio of the numbers?


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

#1661 2012-01-21 02:08:15

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

#1662 2012-01-22 01:47:24

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,413

Re: Oral puzzles

Hi bobbym,

The solution

is correct. Good work!

#1376. One-third of the square root of which number is 0.001?


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

#1663 2012-01-22 02:07:32

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

#1664 2012-01-23 01:51:17

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,413

Re: Oral puzzles

Hi bobbym,

The solution #1376 is correct. Good work!

#1377.


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

#1665 2012-01-23 01:55:59

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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

#1666 2012-01-23 02:31:56

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,413

Re: Oral puzzles

Hi bobbym,

The solution #1377 is correct. Neat job!

#1378. What is the value of (7.5 x 7.5 + 37.5 + 2.5 x 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.

Offline

#1667 2012-01-23 02:38:24

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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

#1668 2012-01-23 03:07:11

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

Re: Oral puzzles


igloo myrtilles fourmis

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#1669 2012-01-24 02:12:02

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,413

Re: Oral puzzles

Hi bobbym and John E Franklin,

The solution #1378 (equal to 100) is correct. Good work!

#1379. If the 4th term of an arithmetic progression is 14 and the 12th term is 70, find the first term.


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

#1670 2012-01-24 02:19:40

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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

#1671 2012-01-25 01:36:11

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,413

Re: Oral puzzles

Hi bobbym,

The solution #1379 is correct. Good work, bobbym!

#1380. The sides of a triangle are in the ratio

. If the perimeter of the triangle is 52 centimeters, what is the length of the smallest side?


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

#1672 2012-01-25 01:48:56

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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

#1673 2012-01-25 18:47:15

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,413

Re: Oral puzzles

Hi bobbym,

The solution #1380 is perfect. Excellent!

#1381. If * is a digit such that 5824* is divisible by 11, then what is * equal to?


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

#1674 2012-01-26 02:04:12

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

#1675 2012-01-27 01:10:13

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,413

Re: Oral puzzles

Hi bobbym,

The solution #1381 is correct. Well done!

#1382.


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

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