Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#701 2008-09-16 01:10:40
- JohnnyReinB
- Member
- Registered: 2007-10-08
- Posts: 453
Re: 10 second questions
And good to see you back, ganesh!
"There is not a difference between an in-law and an outlaw, except maybe that an outlaw is wanted" 
Nisi Quam Primum, Nequequam
Offline
#702 2008-10-03 18:07:48
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Thanks, JRB!
And well done, your answer to #753 is correct!
#754. If 10! is 3628800, what is the value of 9!?
#755. Is there any particular last digit in which the cube of a natural number can never end in?
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.
Online
#703 2008-10-03 23:16:06
- JohnnyReinB
- Member
- Registered: 2007-10-08
- Posts: 453
Re: 10 second questions
"There is not a difference between an in-law and an outlaw, except maybe that an outlaw is wanted"
Nisi Quam Primum, Nequequam
Offline
#704 2008-10-08 19:27:23
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Answers to #754 and #755,
Well done, JohnnyReinB!
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.
Online
#705 2008-10-08 19:29:16
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
#756. The logarithm to the base 10 of this number is roughly 0.84509804. What is the 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.
Online
#706 2008-10-09 18:14:55
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
#757. What is the value of 1+2+3+4+........48+49+50?
#758. The value of pi does not contain zero upto 25 places after the decimal. True or False?
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.
Online
#707 2008-10-09 23:05:36
- JohnnyReinB
- Member
- Registered: 2007-10-08
- Posts: 453
Re: 10 second questions
"There is not a difference between an in-law and an outlaw, except maybe that an outlaw is wanted"
Nisi Quam Primum, Nequequam
Offline
#708 2008-10-10 18:16:10
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Absolutely right, well done, JohnnyReinB!
#759. What is the smallest number divisible by all numbers from 1 to 20?
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.
Online
#709 2008-10-14 02:56:20
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: 10 second questions
Offline
#710 2008-10-14 02:59:53
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: 10 second questions
I have forgotten about Euler. How dare me!
The correct grammatical expression is how dare I.
Last edited by JaneFairfax (2010-03-31 03:51:02)
Offline
#711 2008-10-15 13:32:12
- Chewy
- Member
- Registered: 2008-08-07
- Posts: 67
Re: 10 second questions
Offline
#712 2008-10-16 23:21:38
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Answers to #758 and #759:-
Well done, JaneFairfax and Chewy!!!
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.
Online
#713 2008-10-16 23:24:14
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
#760. What is the value of 1!+2!+3!+4!+5!? Is it a prime number?
#761. What is 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.
Online
#714 2008-10-17 07:33:49
- ZHero
- Real Member
- Registered: 2008-06-08
- Posts: 1,889
Re: 10 second questions
If two or more thoughts intersect, there has to be a point!
Offline
#715 2008-10-17 09:19:26
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: 10 second questions
Offline
#716 2008-10-19 18:35:08
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Well done ZHero and JaneFairFax,
Both the answers to #760 and #761 are correct!
Excellent!
#762. Can you think of a string 1000 consecutive non-primes?
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.
Online
#717 2008-10-20 22:56:33
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
#763. What is the value of a 'Googolplexplex'?
#764. Why is a number of the form abcabc (where a,b, and c are all whole numbers) always divisible by 13?
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.
Online
#718 2008-10-21 21:47:58
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
#765. Is 16049 a prime 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.
Online
#719 2008-10-21 22:32:27
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
#766. What is the difference between 'percentage' and 'percentile'?
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.
Online
#720 2008-10-21 23:35:56
- ZHero
- Real Member
- Registered: 2008-06-08
- Posts: 1,889
Re: 10 second questions
If two or more thoughts intersect, there has to be a point!
Offline
#721 2008-10-23 18:36:56
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
ZHero,
That is what I call outstanding! Solutions to #764, #765 and #766 are all correct! Well done!
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.
Online
#722 2008-10-31 22:09:19
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
#767. What is the 6th power of 3?
#768. What is the 4th power of 11?
#769. What is the 5th power of 6?
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.
Online
#723 2008-11-03 20:15:29
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
#770. How many zeros would 25! (factorial of 25) end in?
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.
Online
#724 2008-11-03 22:54:34
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: 10 second questions
Offline
#725 2008-11-03 23:08:33
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Answer to #770.
Very good reasoning, JaneFairfax!!! Well done!!
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.
Online