Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#3726 2012-04-13 00:17:48
- 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
#3727 2012-04-14 01:04:56
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: 10 second questions
Hi anonimnystefy and bobbym,
The solution #3986 I get is
. Well done, bobbym!#3987.
#3988.
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
#3728 2012-04-14 01:24:09
- 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
#3729 2012-04-14 09:37:14
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
hi ganesh
Last edited by anonimnystefy (2012-04-14 09:37:32)
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
#3730 2012-04-14 17:21:44
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: 10 second questions
Hi bobbym and anonimnystefy,
The solutions #3987 and #3988 are both correct. Smart work!
#3989. Find the value of x if
.#3990. Find the value of x if x:7::8:5.
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.
Offline
#3731 2012-04-14 17:24:33
- 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
#3732 2012-04-14 17:27:05
- 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.
Offline
#3733 2012-04-14 17:30:16
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
Hi bobbym
It serves the function of = in proportions.
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
#3734 2012-04-14 18:26:59
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: 10 second questions
Hi bobbym and anonimnystefy,
The solution #3989 is correct. Good work, bobbym and anonimnystefy!
The solution #3990 is 11.2. The first and fourth proportion is equal to the second and third.
#3991. Three angles of a triangle are in the ratio 3 : 4 : 5. Find the smallest angle.
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
#3735 2012-04-14 18:30:08
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
Hi ganesh
What is wrong with me I do not know. How did I type that 5. Anyway:
Last edited by anonimnystefy (2012-04-14 18:30:51)
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
#3736 2012-04-15 00:04:57
- 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
#3737 2012-04-15 22:37:05
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: 10 second questions
Hi anonimnystefy and bobbym,
The solution #3991 is correct. Good work!
#3992. What is the length of the longest rod that can be placed in a room of 12 m x 8 m x 9 m?
#3993. A cooler marked at $1500 is offered at $1350 due to off-season discount. Find the rate of off-season discount offered.
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
#3738 2012-04-15 22:47:50
- 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
#3739 2012-04-16 00:36:22
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: 10 second questions
Hi bobbym,
The solutions #3992 and #3993 are correct. Immaculate!
#3994.
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
#3740 2012-04-16 00:41:33
- 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
#3741 2012-04-16 00:42:31
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
Hi ganesh
EDIT: Wrong tag.
Last edited by anonimnystefy (2012-04-16 00:43:43)
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.
Offline
#3742 2012-04-16 20:27:56
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: 10 second questions
Hi bobbym and anonimnystefy,
The solution #3994 is correct. Excellent!
#3995. If
, then what is the value of#3996. If ab = 1, then
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
#3743 2012-04-16 22:26:55
- 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
#3744 2012-04-16 23:56:18
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: 10 second questions
Hi bobbym,
I am sorry I am unable to solve the problems #3995 and #3996. My apology.
I found these problems, I posted it. Later, I realized I couldn't solve these.
I am not in a position to say whether your solutions are okay.
#3997. The base of a right angled triangle is 80 centimeters and its hypotenuse is 1 meter. Find its area.
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
#3745 2012-04-17 00:11:55
- 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
#3746 2012-04-17 23:48:37
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: 10 second questions
Hi bobbym,
The solution #3997 is correct. Well done!
#3998. If the ratio of the cost price and the selling price of an article be 10 : 11, find the percentage of profit.
#3999. A manufacturer marked an article at $50 and sold it allowing 20% discount. If his profit was 25%, then what is the cost price of the article?
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
#3747 2012-04-17 23:55:39
- 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
#3748 2012-04-18 17:52:16
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: 10 second questions
Hi bobbym,
The solutions #3998 and #3999 are both correct. Good work!
#4000. By selling a bicycle for $2850, a shopkeeper gains 14%. If the profit is reduced to 8%, then what would the selling price be?
#4001. By selling an article, a man makes a profit of 25% of its selling price. What would be his profit percent?
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
#3749 2012-04-19 00:27:16
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,395
Re: 10 second questions
Hi bobbym,
#4002. Express the number 0.121212...... in the form
.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
#3750 2012-04-19 00:32:59
- 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