Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#26 2009-02-08 01:58:32
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Complete the series....
(xxii) 6, 28, 496, _____.
(xxiii) 2, 4, 10, 20, 40, 100, 200, 400, 1000, ______, ______.
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
#27 2009-02-08 02:52:51
- mathsyperson
- Moderator
- Registered: 2005-06-22
- Posts: 4,900
Re: Complete the series....
Why did the vector cross the road?
It wanted to be normal.
Offline
#28 2009-02-08 03:00:01
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: Complete the series....
Offline
#29 2009-02-09 02:17:35
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Complete the series....
Both the answers are correct!
well done, mathsyperson and JaneFairfax!!!
(xxiv) B, C, F, H, ____, _____.
(xxv) 3, 7, 31, 211, 2311, _____.
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
#30 2009-02-11 09:31:25
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: Complete the series....
Offline
#31 2009-02-12 01:05:17
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Complete the series....
Both correct, JaneFairfax!
(xxvi) bc, fg, jk, pq, ______.
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
#32 2009-02-12 05:53:58
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: Complete the series....
Offline
#33 2009-02-12 16:11:00
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Complete the series....
Correct, JaneFairfax!
Good work!!!
(xxvii) 7, 8, 5, 5, 3, 4, ____, _____.
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
#34 2009-02-12 17:22:57
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: Complete the series....
Offline
#35 2009-02-13 02:06:27
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Complete the series....
Correct, JaneFairfax!
Excellent!!!
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
#36 2009-02-13 02:17:37
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Complete the series....
(xxviii) 2, 3, 4, 5, 7, 8, 9, 11, 13, 16, 17, 19, 23, 25, 27, 29, 31, 32, 36, _____, _____.
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
#37 2009-02-14 17:32:58
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Complete the series....
(xxix) 25, 121, ____.
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
#38 2009-02-15 02:37:03
- Muggleton
- Member
- Registered: 2009-01-15
- Posts: 65
Re: Complete the series....
JaneFairfax, how did you get the answer to (xxvii)? 
Offline
#39 2009-02-15 02:53:51
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: Complete the series....
Now you mention it, Im danged if I can remember! 
The answer probably came to me in a flash of inspiration; now its gone. 
Offline
#40 2009-02-15 03:36:34
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Complete the series....
JaneFairfax, how did you get the answer to (xxvii)?
Muggleton,
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
#41 2009-02-15 03:45:10
- Muggleton
- Member
- Registered: 2009-01-15
- Posts: 65
Re: Complete the series....
Ooh! 
It looks all so simple once you know the answer that it makes you feel kinda stupid wondering why you never thought of it before. 
Thanks. 
Offline
#42 2009-02-15 03:48:55
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Complete the series....
A pleasure, Muggleton! But I have to tell you, both (xxviii) and (xxix) aren't that simple 
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
#43 2009-02-18 07:10:01
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: Complete the series....
Offline
#44 2009-02-18 08:17:09
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: Complete the series....
Offline
#45 2009-02-18 16:36:57
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Complete the series....
Answers to (xxix):-
Both the answers are perfectly right, mathematically. Truly commendable effort!
Keep it up, JaneFairfax!
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
#46 2009-02-19 08:24:13
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: Complete the series....
Offline
#47 2009-02-19 16:32:31
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Complete the series....
You are perfectly right, JaneFairfax! 36 shouldn't have figured in the series! That was a blunder!!! Thnks for telling me I put a wrong number in the question....I'd have to be slower, with a much greater degree of accuracy!!!
You have solved the puzzle!
(xxx) e, n, d, d, d, n, ____, ____
(xxxi) 1, 100, 1001, 10000, _______, _______.
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
#48 2009-02-20 00:53:41
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Complete the series....
(xxxii) 1, 1, 1, 2, 3, 3 , 4, 5, _____, _______.
(xxxiii) 1, 2, 4, 19, 19, ______, ______. (This question is dedicated to Robin Alderman!)
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
#49 2009-02-20 11:22:05
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: Complete the series....
Offline
#50 2009-02-20 20:33:03
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Complete the series....
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