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#2076 2011-02-02 01:33:04
- 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.
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#2077 2011-02-03 00:45:49
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi bobbym,
The solutions to 2698 and 2699 are correct. Good work!
#2700. What is the number of terms in the Arithmetic Progression 7, 13, 19, ..... 97?
#2701. If the first term of an Arithmetic Progression is 5 and its 100[sup]th[/sup] term is -292, then what is its 51[sup]st[/sup] term?
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.
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#2078 2011-02-03 01:22:05
- 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.
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#2079 2011-02-03 18:30:42
- Howardroark
- Member
- Registered: 2010-10-10
- Posts: 382
Re: 10 second questions
Hi ganesh,
I come from a civilization which has given the world the number 0..
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#2080 2011-02-04 01:02:19
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi bobbym and Howardroark,
The solutions to 2700 and 2701 are correct. Intelligent work!
#2702. What is the value of
?#2703. If 1[sup]2[/sup] + 2[sup]2[/sup] + ... +10[sup]2[/sup] = 385 then what is the value of
2[sup]2[/sup] + 4[sup]2[/sup] + 6[sup]2[/sup] + .... 20[sup]2[/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.
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#2081 2011-02-04 01:06:18
- 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.
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#2082 2011-02-04 01:12:47
- gAr
- Member
- Registered: 2011-01-09
- Posts: 3,482
Re: 10 second questions
Hi ganesh,
"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense" - Buddha?
"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."
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#2083 2011-02-04 01:33:33
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi bobbym and gAr,
The solutions to 2702 and 2703 are correct. Well done!
#2704. The first term of the Geometric Progression is 1. The sum of third and fifth terms is 90. What is the common ratio?
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.
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#2084 2011-02-04 01:42:01
- gAr
- Member
- Registered: 2011-01-09
- Posts: 3,482
Re: 10 second questions
Hi,
"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense" - Buddha?
"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."
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#2085 2011-02-04 01:58:47
- 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.
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#2086 2011-02-04 20:14:28
- Howardroark
- Member
- Registered: 2010-10-10
- Posts: 382
Re: 10 second questions
Hi ganesh,
I come from a civilization which has given the world the number 0..
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#2087 2011-02-05 00:33:48
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi bobbym, gAr, and Howardroark,
(i) The solution to 2704 (bobbym and gAr) is correct. Good work!
(ii) The solutions to 2702 and 2703 (Howardroark) are correct. Well done! However, the solution to 2704 is not correct. It is
.#2705. What is the probability of getting neither an ace nor a king from a pack of 52 cards?
#2706. What is the probability of getting 3 heads or 3 tails in tossing 3 coins?
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.
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#2088 2011-02-05 00:38:24
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
How many cards are you drawing for # 2705?
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
#2089 2011-02-05 04:44:02
- Howardroark
- Member
- Registered: 2010-10-10
- Posts: 382
Re: 10 second questions
Hi ganesh,
I come from a civilization which has given the world the number 0..
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#2090 2011-02-06 00:52:06
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi bobbym and Howardroark,
The solution to 2706 is correct. Well done!
#2707. Simplify:
.#2708. Simplify:
.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
#2091 2011-02-06 01:01:30
- 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
#2092 2011-02-06 05:42:15
- Howardroark
- Member
- Registered: 2010-10-10
- Posts: 382
Re: 10 second questions
Hi ganesh,
I come from a civilization which has given the world the number 0..
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#2093 2011-02-07 00:40:40
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi bobbym and Howardroark,
The solutions 2707 and 2708 are correct. Excellent!
#2709. What least number must be added to 2010 to obtain a number which is completely divisible by 19?
#2710. On dividing 12401 by a certain number, we get 76 as quotient and 13 as remainder. What is the divisor?
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.
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#2094 2011-02-07 00:56:59
- 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
#2095 2011-02-08 00:44:40
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi bobbym,
The solutions to 2709 and 2710 are correct. Brilliant!
#2711. Find the least value of * for which 7*5462 is divisible by 9.
#2712. Find the least value of * for which 4832*18 is divisible by 11.
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.
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#2096 2011-02-08 01:26:11
- 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
#2097 2011-02-09 00:41:33
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi bobbym,
The solutions 2711 and 2712 are perfect. Well done!
#2713. On dividing a certain number by 342, we get 47 as remainder. If the same number is divided by 18, what would be the remainder?
#2714. What is the unit digit in the product
?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.
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#2098 2011-02-09 00:59:56
- 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
#2099 2011-02-09 01:04:21
- gAr
- Member
- Registered: 2011-01-09
- Posts: 3,482
Re: 10 second questions
Hi ganesh,
"Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense" - Buddha?
"Data! Data! Data!" he cried impatiently. "I can't make bricks without clay."
Offline
#2100 2011-02-10 00:55:40
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,385
Re: 10 second questions
Hi bobbym and gAr,
The solutions 2713 and 2714 are correct. Brilliant!
#2715. Find the total number of prime factors in the product 4[sup]11[/sup] x 7[sup]5[/sup] x 11[sup]2[/sup].
#2716. Find the remainder when 2[sup]31[/sup] is divided by 5.
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.
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