Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

Pages: 1 … 27 28 29 30 31 … 422

#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" wink

Nisi Quam Primum, Nequequam

Offline

#702 2008-10-03 18:07:48

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,422

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.

Offline

#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" wink

Nisi Quam Primum, Nequequam

Offline

#704 2008-10-08 19:27:23

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,422

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.

Offline

#705 2008-10-08 19:29:16

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,422

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.

Offline

#706 2008-10-09 18:14:55

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,422

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.

Offline

#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" wink

Nisi Quam Primum, Nequequam

Offline

#708 2008-10-10 18:16:10

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,422

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.

Offline

#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

Devantè wrote:

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: 48,422

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.

Offline

#713 2008-10-16 23:24:14

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,422

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.

Offline

#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: 48,422

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.

Offline

#717 2008-10-20 22:56:33

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,422

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.

Offline

#718 2008-10-21 21:47:58

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,422

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.

Offline

#719 2008-10-21 22:32:27

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,422

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.

Offline

#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: 48,422

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.

Offline

#722 2008-10-31 22:09:19

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,422

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.

Offline

#723 2008-11-03 20:15:29

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,422

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.

Offline

#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: 48,422

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.

Offline

Pages: 1 … 27 28 29 30 31 … 422

Board footer

Powered by FluxBB