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#3776 2012-04-25 21:03:38

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

Re: 10 second questions

Hi ganesh

EDIT:

Last edited by anonimnystefy (2012-04-25 21:41:44)


“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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#3777 2012-04-25 21:06:44

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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#3778 2012-04-26 01:07:25

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi anonimnystefy and bobbym,

anonimnystefy : The solution #4018 (5) is correct. Brilliant!

bobbym : The solution #4019 (1236) is correct. Brilliant!

#4020. When a ball bounces, it rises to 3/4 of the height from which it fell. If the ball is dropped from a height of 32 meters, how high would it rise at the third bounce?


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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#3779 2012-04-26 04:10:32

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

#3780 2012-04-26 04:58:21

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

#3781 2012-04-26 22:11:08

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi anonimnystefy and bobbym,

The solution #4020 is correct. Good work!

#4021.

#4022. 2 men and 3 women can finish a piece of work in 10 men, while 4 men can do it in 10 days. In how many days would 3 men and 3 women finish it?


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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#3782 2012-04-26 22:13:08

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

#3783 2012-04-26 22:22:28

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

#3784 2012-04-26 22:25:41

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

Re: 10 second questions

Hi bobbym

I think you edited the wrong post!


“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

#3785 2012-04-26 22:27:09

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Yes, I did. Did I put it back the way it was?


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

#3786 2012-04-26 22:29:02

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,049

Re: 10 second questions

Yes. It is okay now.


“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

#3787 2012-04-26 22:57:17

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbyn and anonimnystefy,

The solution  #4021 is perfect. Magnificent!

#4023.


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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#3788 2012-04-26 22:58:33

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

#3789 2012-04-27 00:12:15

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym,

The solution #4023 is perfect. Astounding!

#4024.


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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#3790 2012-04-27 00:14:11

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

#3791 2012-04-27 00:15:28

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

#3792 2012-04-27 00:41:34

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi anonimnystefy and bobbym,

The solution #4024 is perfect. Good work!

#4025. $1050 is divided among P, Q, and R. The share of P is 2/5 of the combined share of Q and R. How much does P gets?


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

#3793 2012-04-27 00:43:31

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

#3794 2012-04-27 00:49:22

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

#3795 2012-04-27 13:54:34

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym and anonimnystefy,

The solution #4025 is correct. On the dot!

#4026. A wholesaler gains 25% by selling a commodity and a retailer gains 30% by selling it. If the retail value of that commodity is $325, then what is the wholesale value?

#4027. If the difference between selling a shirt at a profit of 10% and 15% is $10, then what is the Cost Price?


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

#3796 2012-04-27 17:09:19

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

#3797 2012-04-28 00:11:41

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym,

The solutions I get

and

#4028. If a = 1.2, b = 2.1, and c = -3.3, then what is 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

#3798 2012-04-28 00:24:04

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

#3799 2012-04-28 23:55:18

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym,

The solution #4028 is correct. Brilliant!

#4029. A flagstaff 17.5 meters high casts a shadow of 40.25 meters. What is the height of the building which casts a shadow 28.75 meters long under similar condition?

#4030. If x : y = 3 : 4, then (2x + 3y) : (3y - 2x) = ?


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

#3800 2012-04-29 00:05:58

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

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