Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#1026 2009-03-15 07:21:14
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Offline
#1027 2009-03-15 07:22:17
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Offline
#1028 2009-03-15 07:23:20
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Offline
#1029 2009-03-15 07:45:12
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Offline
#1030 2009-03-15 07:47:03
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Offline
#1031 2009-03-15 07:48:38
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Offline
#1032 2009-03-15 07:53:15
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Offline
#1033 2009-03-15 07:54:51
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Offline
#1034 2009-03-15 07:59:24
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Last edited by Devantè (2009-03-15 08:02:52)
Offline
#1035 2009-03-15 08:00:27
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Offline
#1036 2009-03-15 08:01:59
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Offline
#1037 2009-03-15 09:13:16
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: 10 second questions
Answers to #1410, #1411, #1412, #1415, #1418, #1423, #1427, #1431, #1624, #1627, and #1630:-
All the answers other than #1427, #1431, and #1627 are correct, Devantè!
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
#1038 2009-03-15 09:34:29
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Offline
#1039 2009-03-15 09:35:53
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Offline
#1040 2009-03-15 09:38:03
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Offline
#1041 2009-03-15 09:46:35
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Offline
#1042 2009-03-15 21:08:30
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: 10 second questions
Answers to #1380, #1427, #1431, and #1627:-
All correct, Devantè!
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
#1043 2009-03-15 22:29:37
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: 10 second questions
#1711. What is the value of
#1712. What is the value of
#1713. What is the value of 1 + 11 + 21 + 31 +41 + ...... + 1001?
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
#1044 2009-03-16 03:48:31
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: 10 second questions
#1714. A is thrice as good a workman as B and takes 20 days less to do a piece of work than B. In how many days can B do the work?
#1715. A train 700 meters long is running at the speed of 72 kilometers per hour. If it crosses a tunnel in 1 minutes, then what is the length of the tunnel in meters?
#1716. A man can row three quarter of a kilometer against the stream in 11 and a quarter minutes. If the speed of the stream is 1 kilometer per hour, what is the speed of the man rowing in still water?
#1717. If three workers working 8 hours a day finish a work in 5 days, then in how many days can one worker, working 10 hours a day finish the same work?
#1718. If $516 is divided among A, B, and C such that A receives 25% more than B and B receives 25% less than C, then what is the amount C receives?
#1719. R travels at the rate of 3 km/hour and reaches his destination 15 minutes late. If he travels at the rate of 4 kn/hour, he reaches15 minutes earlier. What is the distance R has to travel?
#1720. The simple interest on a sum of money at 5% per annum interest is $48 for 4 years. What would be the simple interest for the same sum for 5 years at the rate of 4% per annum?
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
#1045 2009-03-16 06:19:47
- Devantè
- Real Member
- Registered: 2006-07-14
- Posts: 6,400
Re: 10 second questions
Offline
#1046 2009-03-16 10:29:42
- JaneFairfax
- Member
- Registered: 2007-02-23
- Posts: 6,868
Re: 10 second questions
Offline
#1047 2009-03-16 17:06:28
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: 10 second questions
Answer to #1713:-
Correct, JaneFairfax!
I guess, it was a minor calculation mistake, Devantè.
Approximately, a number close to 50 multiplied by a number close to 1000 should produce a number close to 50,000. But in 10 seconds, nobody may think of all these things!
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
#1048 2009-03-16 18:15:25
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: 10 second questions
#1721. If a car travels the first 40 kilometers at a speed of 20 km/hour, the next 50 kilometers at a speed of 25 km/hour and the final 90 kilometers at a speed of 15 km/hour, what is the average speed of the car for the entire distance?
#1722. Which is the smallest odd prime number 12345674 is divisible by?
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
#1049 2009-03-17 01:10:32
- 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
#1050 2009-03-17 03:03:15
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: 10 second questions
Answer to #1721:-
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