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#1676 2012-01-27 02:33:30
- 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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#1677 2012-01-27 22:53:23
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: Oral puzzles
Hi bobbym,
The solution #1382 is correct. Neat work!
#1383. If 16 men or 20 women can do a piece of work in 25 days, in what time would 28 men and 15 women do it?
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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#1678 2012-01-27 23:51:58
- 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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#1679 2012-01-28 02:06:18
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: Oral puzzles
Hi bobbym,
#1384. In how many years would $2,000 amount to $2,420 at 10% per annum compound 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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#1680 2012-01-28 03:07:40
- 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.
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#1681 2012-01-29 02:08:43
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: Oral puzzles
Hi bobbym,
Your solution #1383 is correct; I made a mistake in the solution; regretted.
The solution #1384 is correct. Excellent!
#1385. If the area of a triangle is 1176 cm[sup]2[/sup] and the ratio base to corresponding altitude is 3 : 4, then what is the altitude 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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#1682 2012-01-29 02:19:03
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: Oral puzzles
hi ganesh
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
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#1683 2012-01-29 02:22:09
- 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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#1684 2012-01-30 02:10:45
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: Oral puzzles
Hi anonimnystefy and bobbym,
Neat job, anonimnystefy!
#1386. If the circumference and area of a circle are numerically equal, then what is the diameter 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.
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#1685 2012-01-30 02:29:05
- 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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#1686 2012-01-31 02:01:43
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: Oral puzzles
Hi bobbym,
The solution #1386 is perfect. Good work!
#1387. The average age of 14 girls and their teacher's age is 15 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
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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#1687 2012-01-31 02:28:02
- 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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#1688 2012-02-01 01:49:32
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: Oral puzzles
Hi bobbym,
The solution #1387 is correct. Neat work!
#1388. A trademan marks his goods at 20% above the cost price. He allows his customers a discount of 8% on the marked price. Find out his profit percent.
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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#1689 2012-02-01 01:51:31
- 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
#1690 2012-02-02 01:45:36
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: Oral puzzles
Hi bobbym,
The solution #1388 is perfect. Well done!
#1389. The average age of 12 players of a team is 25 years. If the captain's age is included, the average age increases by 1 year. Find the age of the captain.
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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#1691 2012-02-02 01:50:27
- 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
#1692 2012-02-03 01:54:29
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: Oral puzzles
Hi bobbym,
The solution #1389 is perfect. Well done!
#1390.
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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#1693 2012-02-03 03:57:01
- John E. Franklin
- Member
- Registered: 2005-08-29
- Posts: 3,588
Re: Oral puzzles
igloo myrtilles fourmis
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#1694 2012-02-03 03:58:58
- John E. Franklin
- Member
- Registered: 2005-08-29
- Posts: 3,588
Re: Oral puzzles
igloo myrtilles fourmis
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#1695 2012-02-03 04:00:01
- John E. Franklin
- Member
- Registered: 2005-08-29
- Posts: 3,588
Re: Oral puzzles
igloo myrtilles fourmis
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#1696 2012-02-03 06:07:57
- 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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#1697 2012-02-04 02:27:11
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: Oral puzzles
Hi John E Franklin, and bobbym,
The solution #1390 is correct. Brilliant!
#1391. If each number is increased by one, the average of 7 numbers becomes 17. What is the sum of 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.
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#1698 2012-02-04 05:47:55
- 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
#1699 2012-02-05 01:40:53
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,413
Re: Oral puzzles
Hi bobbym,
The solution #1391 is correct. Well done!
#1392. In the following number series, a wrong number is given. Find out that wrong number.
3, 15, 85, 422, 1681, 5041.
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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#1700 2012-02-05 03:50:09
- 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