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#4876 2014-05-29 19:15:50

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 105,272

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.
No great discovery was ever made without a bold guess.

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#4877 2014-05-29 23:19:33

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,310

Re: 10 second questions

Hi bobbym,

The solution #5007 is correct. Brilliant!

#5008. Simplify :


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#4878 2014-05-29 23:30:12

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 105,272

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.
No great discovery was ever made without a bold guess.

Offline

#4879 2014-05-30 00:11:12

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,310

Re: 10 second questions

Hi bobbym,

The solution #5008 is correct. Excellent!

#5009.

#5010.

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Online

#4880 2014-05-30 00:18:48

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 105,272

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.
No great discovery was ever made without a bold guess.

Offline

#4881 2014-05-30 22:04:29

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,310

Re: 10 second questions

Hi bobbym,

The solutions #5009 and #5010 are correct! Marvelous!

#5011. Find the value of x.

.

#5012. Find the value of x.

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Online

#4882 2014-05-30 23:24:46

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 105,272

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.
No great discovery was ever made without a bold guess.

Offline

#4883 2014-05-31 00:16:40

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,310

Re: 10 second questions

Hi bobbym,

The solutions #5011 and #5012 are correct. Excellent!

#5013.

of
of a number is greater than
of
of the same number by 8. What is half of that number?

#5014. Simplify :

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Online

#4884 2014-05-31 00:42:27

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 105,272

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.
No great discovery was ever made without a bold guess.

Offline

#4885 2014-05-31 14:22:13

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,310

Re: 10 second questions

Hi bobbym,

The solutions #5013 and #5014 are correct. Fantastic!

#5015.

#5016.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Online

#4886 2014-05-31 20:42:11

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 105,272

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.
No great discovery was ever made without a bold guess.

Offline

#4887 2014-05-31 23:00:48

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,310

Re: 10 second questions

Hi bobbym,

The solutions #5015 and #5016 are correct. Incredible!

#5017. A student was asked to solve the fraction

and is answer was
. By how much was his answer wrong?

#5018.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Online

#4888 2014-05-31 23:55:42

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 105,272

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.
No great discovery was ever made without a bold guess.

Offline

#4889 2014-06-01 01:23:36

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,310

Re: 10 second questions

Hi bobbym,

The solutions #5017 and #5018 are correct. Exemplary!

#5019

#5020. From a group of boys and girls, 15 girls leave. There are then left 2 boys for each girl. After this, 45 boys leave. There are then 5 girls for each boy. Find the number of girls in the beginning.

Have a great weekend!


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Online

#4890 2014-06-01 01:38:18

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 105,272

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.
No great discovery was ever made without a bold guess.

Offline

#4891 2014-06-02 00:28:45

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,310

Re: 10 second questions

Hi bobbym,

The solutions #5019 and #5020 are correct. Excellent!

#5021. Find the value of x.

#5022.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Online

#4892 2014-06-02 00:50:01

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 105,272

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.
No great discovery was ever made without a bold guess.

Offline

#4893 2014-06-02 16:08:44

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,310

Re: 10 second questions

Hi bobbym,

The solutions #5021 and #5022 are correct. Marvelous!

#5023.

#5024.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Online

#4894 2014-06-02 22:21:26

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 105,272

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.
No great discovery was ever made without a bold guess.

Offline

#4895 2014-06-03 01:06:15

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,310

Re: 10 second questions

Hi bobbym,

The solutions #5023 and #5024 are correct. Excellent!

#5025. Find the sum of

and
.

#5026. If

, then find the value of

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Online

#4896 2014-06-04 01:32:41

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,310

Re: 10 second questions

Hi bobbym,

#5027. If the diagonal of a rectangle is 17 centimeters long and its perimeter is 46 centimeters, find the area of the rectangle.

#5028. In measuring the sides of a rectangle, one side is taken 5% in excess, and the other 4% in deficit. Find the error percent in the area calculated from these measurements.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Online

#4897 2014-06-04 02:17:08

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 105,272

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.
No great discovery was ever made without a bold guess.

Offline

#4898 2014-06-04 19:33:44

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,310

Re: 10 second questions

Hi bobbym,

The solutions #5027 and #5028 are correct. Excellent!

#5029. A rectangular grassy plot 110 meters by 65 meters has a gravel path 2.5 meters wide all round it on the inside. Find the cost of graveling the path at 80 cents per square meter.

#5030. The perimeters of two squares are 40 centimeters and 32 centimeters. Find the perimeter of a third square whose area is equal to the difference of the areas of the two squares.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Online

#4899 2014-06-04 19:42:27

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 105,272

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.
No great discovery was ever made without a bold guess.

Offline

#4900 2014-06-05 00:57:34

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,310

Re: 10 second questions

Hi bobbym,

The solutions #5029 and #5030 are perfect. Keep it up!

#5031. A room 5 meters 55 centimeters long and 3 meters 74 centimeters broad is to be paved with square tiles. Find the least number of square tiles required to cover the floor.

#5032. Find the area of a square, whose diagonal is 3.8 meter long.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Online

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