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#876 2011-06-03 19:00:33

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

Re: Oral puzzles

Hi ganesh;

I do not understand the question. Does he travel

1 and 2 / 3 kilometers

or

1 and 2 / 3 of 3.5 kilometers


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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#877 2011-06-03 23:59:42

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,429

Re: Oral puzzles

Hi bobbym,

#1040. A certain amount is distributed among A, B, and C. A gets

of the whole amount and B gets
of the whole amount. If C gets $81, what does B get?


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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#878 2011-06-04 00:29:20

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

Re: Oral puzzles

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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#879 2011-06-04 09:07:17

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

Re: Oral puzzles

hi ganesh

Last edited by anonimnystefy (2011-06-04 09:07:39)


“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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#880 2011-06-04 17:02:31

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,429

Re: Oral puzzles

Hi bobbym and anonimnystefy,

The solution 1040 is correct. Well done!

#1041. By how much is three-fifths of 350 greater than four-sevenths of 210?


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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#881 2011-06-04 20:54:03

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

Re: Oral puzzles

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

#882 2011-06-05 00:26:54

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,429

Re: Oral puzzles

Hi bobbym,

The solution 1041 is correct. Well done!

#1042. If

of an estate be worth $16,800, then what is
of the value of the estate?


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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#883 2011-06-05 02:49:10

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

Re: Oral puzzles

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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#884 2011-06-05 05:55:07

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

Re: Oral puzzles

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

#885 2011-06-05 16:32:48

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,429

Re: Oral puzzles

Hi anonimnystefy and bobbym,

The solution 1042 is correct. Well done!

#1043. Two-fifth of one-fourth of three-seventh of a number is 15. What is half of that number?


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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#886 2011-06-05 16:40:49

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

Re: Oral puzzles

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

#887 2011-06-05 21:41:25

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

Re: Oral puzzles

hi ganesh

Last edited by anonimnystefy (2011-06-05 21:42:30)


“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

#888 2011-06-05 22:05:38

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,429

Re: Oral puzzles

Hi bobbym and anonimnystefy,

The answer 1043 is correct. Good work!

#1044. 7 is added to  a certain number, the sum is multilpied by 5, the product is divided by 9 and 3 is subtracted from the quotient. The remainder left is 12. Find the number.


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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#889 2011-06-05 22:17:20

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

Re: Oral puzzles

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

#890 2011-06-06 17:40:59

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,429

Re: Oral puzzles

Hi bobbym,

The solution 1044 is correct. Neat job!

#1045. If

is a cube root of unity, 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.

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#891 2011-06-06 18:21:07

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

Re: Oral puzzles

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

#892 2011-06-06 21:05:07

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,429

Re: Oral puzzles

Hi bobbym,

The solution 1045 I get

#1046. 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

#893 2011-06-06 22:12:35

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

Re: Oral puzzles

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

#894 2011-06-06 23:39:44

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,429

Re: Oral puzzles

Hi bobbym,

The solution 1046 I get is

.

#1047.


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

#895 2011-06-07 00:17:53

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

Re: Oral puzzles

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

#896 2011-06-07 15:37:27

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,429

Re: Oral puzzles

Hi bobbym,

The solution 1046 and the explanation is perfectly in order. I made a mistake in the solution, I'm sorry.

The solution 1047 is perfect. Excellent!

#1048. The third term of a Geometric Progression is the square of first term. If the second term is 8, what is the 6[sup]th[/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.

Offline

#897 2011-06-07 17:11:44

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

Re: Oral puzzles

Hi ganesh;

That is okay. I understand about mistakes, I make plenty of them.


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

#898 2011-06-07 17:12:35

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

Re: Oral puzzles

Hi ganesh;

That is okay. I understand about mistakes, I make plenty of them. Let's do more problems so I can make some new ones.


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

#899 2011-06-08 00:13:54

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,429

Re: Oral puzzles

Hi bobbym,

The solution 1048 is perfect. Good work!

#1049. Find the sum to n terms of the series

.


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

#900 2011-06-08 00:29:00

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

Re: Oral puzzles

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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