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#2476 2011-06-05 22:58:17

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 47,938

Re: 10 second questions

Hi bobbym and anonimnystefy,

The solution 2960 is correct. Good work!

#2961. Find the degree of the differential equation

.


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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#2477 2011-06-05 23:25:14

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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#2478 2011-06-06 01:14:36

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 47,938

Re: 10 second questions

Hi bobbym,

The solution 2961 is correct. Brilliant!

#2962. If A = {1, 2, 3}, B = {3, 4}, and C = {4, 5, 6} then what is

?


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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#2479 2011-06-06 02:10:29

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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#2480 2011-06-06 17:32:49

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 47,938

Re: 10 second questions

Hi bobbym,

The solution 2962 is correct. Very good!

#2963. The set

is equal to:

#2964. In a college of 300 students, every student reads 5 newspapers and every newspaper is read by 60 students. What is the number of newspapers?


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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#2481 2011-06-06 18:04:43

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

#2482 2011-06-06 21:44:50

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 47,938

Re: 10 second questions

Hi bobbym,

The solution 2963 is perfect. Excellent!

However, I get the solution 2962 as

.

#2964.


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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#2483 2011-06-06 22:02:56

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

#2484 2011-06-06 23:45:52

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 47,938

Re: 10 second questions

Hi bobbym,

The solution 2964 is correct. Well done!

#2965.


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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#2485 2011-06-07 00:20:06

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

#2486 2011-06-07 15:19:09

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 47,938

Re: 10 second questions

Hi bobbym,

The solution 2965 is correct. Neat job!

#2966.

#2967. If 1 + 2 + 3 + ... n = 55, find 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

#2487 2011-06-07 17:04:45

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

#2488 2011-06-07 23:54:03

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 47,938

Re: 10 second questions

Hi bobbym,

The solutions 2966 and 2967 are correct. Excellent!

#2968. The fifth term of a Geometric Progression is 2. Find the product of first 9 terms.

#2969. The third term of a Geometric Progression is 4. Find the product of the first 5 terms.


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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#2489 2011-06-08 00:05:32

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

#2490 2011-06-08 00:22:35

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 47,938

Re: 10 second questions

Hi bobbym,

The solutions 2967 and 2968 are perfect. Neat job!

#2969. If the n[sup]th[/sup] term of the series

is
, find the value of n.


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

#2491 2011-06-08 00:35:08

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

#2492 2011-06-08 05:19:34

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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#2493 2011-06-08 17:32:33

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 47,938

Re: 10 second questions

Hi bobbym and anonimnystefy,

The solution 2969 is perfect. Neat job!

#2970.

#2971. 


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

#2494 2011-06-08 19:40:04

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

#2495 2011-06-08 22:40:54

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 47,938

Re: 10 second questions

Hi bobbym,

The solutions 2970 and 2971 are perfect. Brilliant!

#2972. The edges of a cuboid are in the ratio 1:2:3 and its surface area is 88 square centimeters. What is the volume of the cuboid?


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

#2496 2011-06-08 22:51:31

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

#2497 2011-06-09 18:23:41

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 47,938

Re: 10 second questions

Hi bobbym,

The solution 2972 is correct. Well done!

#2973. What is the maximum length of a pencil that can be kept in a rectangular box of dimensions 8 cm x 6 cm x 2 cm?

#2974. Find the length of the longest rod that can be placed in a room 16 m long, 12 m broad, and

m high.


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

#2498 2011-06-09 19:26:59

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

#2499 2011-06-10 16:32:20

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 47,938

Re: 10 second questions

Hi bobbym,

The solutions 2973 and 2974 are correct. Brilliant!

#2975. In a shower, 5 cm of rain falls. What is the volume of water that falls on 1.5 hectares of ground?

#2976. How many bricks, each measuring 25 cm x 11.25 cm x 6 cm, would be needed to build a wall 8 m x 6 m x 22.5 cm?


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

#2500 2011-06-10 17:00:47

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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