Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#2601 2011-06-22 23:39:27
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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
#2602 2011-06-23 01:18:32
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: 10 second questions
Hi bobbym,
The solution 2944 is correct. Remarkable!
#2945. Find the next number in the series: 6, 11, 11, 21, 42, ____.
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
#2603 2011-06-23 01:28:42
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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
#2604 2011-06-23 01:56:26
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: 10 second questions
Hi bobbym,
The solution 2945 I had in my mind
#2946.
. Find the value of x.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
#2605 2011-06-23 02:03:10
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
I had the pattern of taking them 2 at a time.
6 -> 11 is 2 * 6 - 1
11-> 21 is 2 * 11 - 1
so
2 * 42 - 1 = 83
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
#2606 2011-06-23 02:17:33
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: 10 second questions
Hi bobbym,
The solution 2946 is correct. Good work!
#2947.
. Find the value of x.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
#2607 2011-06-23 02:21:39
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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.
Offline
#2608 2011-06-23 18:01:37
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: 10 second questions
Hi bobbym,
The solution 2947 is correct. Brilliant!
#2948.
#2949.
The problems take 3-5 minutes.
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
#2609 2011-06-23 20:01:35
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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.
Offline
#2610 2011-06-23 21:29:08
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: 10 second questions
Hi bobbym,
The solution 2949 is correct. Brilliant!
I get the solution 2948 as
.#2950. Find the value of x if
.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
#2611 2011-06-23 22:08:28
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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
#2612 2011-06-24 00:17:33
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: 10 second questions
Hi bobbym,
The solution 2950 is correct. Brilliant!
#2951.
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
#2613 2011-06-24 00:25:52
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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.
Offline
#2614 2011-06-24 06:30:29
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
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.
Offline
#2615 2011-06-24 17:30:11
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: 10 second questions
Hi bobbym and anonimnystefy,
The solution 2951 is correct. Excellent!
#2952.
#2953. What is the value of x if
?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
#2616 2011-06-24 23:13:30
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
hi ganesh
Last edited by anonimnystefy (2011-06-25 00:05:22)
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.
Offline
#2617 2011-06-24 23:19:59
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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
#2618 2011-06-25 00:46:26
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: 10 second questions
Hi anonimnystefy and bobbym,
The solutions 2952 and 2953 are correct. Brilliant work!
#2954. Which is the digit at unit's place in the number 17[sup]1995[/sup] + 11[sup]1995[/sup] - 7[sup]1995[/sup]?
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
#2619 2011-06-25 01:02:13
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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
#2620 2011-06-25 01:49:01
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
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.
Offline
#2621 2011-06-25 17:01:15
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: 10 second questions
Hi bobbym and anonimnystefy,
The solution 2954 is correct. Excellent performance!
#2955. Find the value of x if
.#2956.
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
#2622 2011-06-25 17:23:36
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
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.
Offline
#2623 2011-06-26 00:01:32
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: 10 second questions
Hi bobbym,
The solutions 2955 and 2956 are correct. Excellent!
#2957.
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
#2624 2011-06-26 00:03:34
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
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.
Offline
#2625 2011-06-26 00:35:49
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: 10 second questions
Hi anonimnystefy,
The solution 2957 is correct. Brilliant work!
#2958. If
, find 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