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#1701 2012-02-05 21:18:26

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

Re: Oral puzzles

Hi bobbym,

#1393. How many distincts roots are there in the equation

?


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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#1702 2012-02-05 21:23:07

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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#1703 2012-02-07 01:00:09

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

Re: Oral puzzles

Hi bobbym,

The solution #1393 is correct. Marvelous!

#1394. The average age of 5 boys is 12 years. The average age of 3 other boys is 16 years. What is the average age of all the 8 boys?


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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#1704 2012-02-07 01:17:28

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

#1705 2012-02-08 01:27:54

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

Re: Oral puzzles

Hi bobbym,

The solution #1394 is correct. Well done!

#1395.


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

#1706 2012-02-08 01:44:53

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

#1707 2012-02-09 01:33:02

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

Re: Oral puzzles

Hi bobbym,

The solution #1395 is correct. Excellent!

#1396. The sum of the squares of two numbers is 386. If one of the numbers is 5, find the other.


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

#1708 2012-02-09 02:38:55

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

#1709 2012-02-10 01:29:21

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

Re: Oral puzzles

Hi bobbym,

The solution #1396 is perfect. Neat work!

#1397. Te area of a rhombus is 150 cm[sup]2[/sup]. The length of one of its diagonals is 10 cm. Find the length of the other diagonal.


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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#1710 2012-02-10 01:40:13

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

#1711 2012-02-11 01:19:58

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

Re: Oral puzzles

Hi bobbym,

The solution #1397 is correct. Excellent!

#1398. The area of a triangle is 216 cm[sup]2[/sup] and its sides are in the ratio 3 : 4 : 5. Find the perimeter 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.

Offline

#1712 2012-02-11 06:20:12

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

#1713 2012-02-12 01:43:39

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

Re: Oral puzzles

Hi bobbym,

The solution #1398 is correct. Splendid!

#1399.


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

#1714 2012-02-12 03:12:03

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

#1715 2012-02-13 01:46:27

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

Re: Oral puzzles

Hi bobbym,

The solution #1399 is correct. Good work!

#1400.


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

#1716 2012-02-13 04:46:58

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

#1717 2012-02-14 01:44:58

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

Re: Oral puzzles

Hi bobbym,

The solution #1400 is correct. Well done!

#1401. The difference of two numbers is 45% of their sum. What is the ratio of the larger number to the smaller 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.

Offline

#1718 2012-02-14 02:00:17

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

#1719 2012-02-15 01:54:16

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

Re: Oral puzzles

Hi bobbym,

The solution #1401 is correct. Brilliant!

#1402. Simple Interest on a certain sum at a certain annual rate of interest is

of the sum. If the numbers representing rate percent and time in years be equal, find 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.

Offline

#1720 2012-02-15 02:15:12

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

#1721 2012-02-16 01:41:21

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

Re: Oral puzzles

Hi bobbym,

The

#1403. A soap cake is of size 8 cm x 5 cm x 4 cm. What is the number of such soap cakes that can be packed in a box measuring 56 cm x 35 cm x 28 cm?


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

#1722 2012-02-16 07:15:14

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

#1723 2012-02-17 01:57:42

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

Re: Oral puzzles

Hi bobbym,

The solution #1403 is correct. Well done!

#1404.


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

#1724 2012-02-17 01:59:23

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

#1725 2012-02-18 01:23:43

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

Re: Oral puzzles

Hi bobbym,

The solution #1404 is correct. Outstanding!

#1405.


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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