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#2801 2011-07-23 23:23:54
- 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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#2802 2011-07-23 23:44:08
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,387
Re: 10 second questions
Hi anonimnystefy and bobbym,
The solution #3058 is perfect. Well done!
#3059. Two pens and three pencils cost Rs.86. Four pens and a pencil cost Rs.112. Find the cost of a pen and that of a pencil.
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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#2803 2011-07-23 23:47:42
- 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
#2804 2011-07-23 23:52:13
- 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.
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#2805 2011-07-24 00:40:56
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,387
Re: 10 second questions
Hi bobbym and anonimnystefy,
The solution #3059 is correct. Well done!
#3060. If (1 + tan A)(1 + tan B) = 2, then what is the value of (A + B)?
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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#2806 2011-07-24 00:46:39
- 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
#2807 2011-07-24 17:17:40
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,387
Re: 10 second questions
Hi bobbym,
The solution #3060 is perfect. Good work!
#3061. The difference between the length and breadth of a rectangle is 23 meters. If its perimeter is 206 meters, what is its area?
#3062. The breadth of a rectangular field is 60% of its length. If the perimeter of the field is 800 meters, what is the area of the field?
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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#2808 2011-07-24 18:15:54
- 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
#2809 2011-07-24 21:14:20
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
hi ganesh
Last edited by anonimnystefy (2011-07-24 21:15:43)
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.
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#2810 2011-07-25 00:25:18
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,387
Re: 10 second questions
Hi bobbym and anonimnystefy,
The solutions #3061 and #3062 are correct. Excellent!
#3063. If 20 men can build a wall 56 meters long in 6 days, what length of a similar wall can be built by 35 men in 3 days?
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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#2811 2011-07-25 00:39:42
- 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
#2812 2011-07-25 00:44:17
- 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
#2813 2011-07-25 00:59:09
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,387
Re: 10 second questions
Hi anonimnystefy and bobbym,
The solution #3063 is correct. Good work!
#3064. A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. Find the number of days for which the remaining food would last.
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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#2814 2011-07-25 01:05:50
- 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
#2815 2011-07-25 01:06:00
- 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
#2816 2011-07-25 17:36:10
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,387
Re: 10 second questions
Hi bobbym and anonimnystefy,
The solution #3064 is perfect. Well done!
#3065. The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by what percent?
#3066. If the side of a square is increased by 5 cm, the area increases by 165 square centimeters. Find the side of the square.
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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#2817 2011-07-25 17:55:52
- 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
#2818 2011-07-25 23:47:20
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,387
Re: 10 second questions
Hi bobbym,
The solutions #3065 and #3066 are correct. Brilliant performance!
#3067. The salary of a person was reduced by 10%. By what percent should his reduced salary be raised so as to bring at par with his original salary?
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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#2819 2011-07-25 23:54:16
- 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
#2820 2011-07-26 00:58:31
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,387
Re: 10 second questions
Hi bobbym,
The solution #3067 is correct.
% or . Well done!#3068. What is the smallest number to be subtracted from 549162 in order to make it a perfect square?
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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#2821 2011-07-26 01:16:53
- 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
#2822 2011-07-26 16:40:56
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,387
Re: 10 second questions
Hi bobbym,
The solution #3068 is perfect. Good work!
#3069. Arrange the following fractions in descending order of their values.
#3070. What is the difference between the biggest and the smallest fraction among
?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
#2823 2011-07-26 17:00:31
- 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
#2824 2011-07-26 18:20:07
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,387
Re: 10 second questions
Hi bobbym,
The solutions #3069 and #3070 are correct. Neat job!
#3071. The length of a rectangular hall is 5 meters more than its breadth. The area of the hall is 750 square meters. Find the length of the hall.
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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#2825 2011-07-26 20:23:16
- 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