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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,866

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

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

ganesh
Moderator
Registered: 2005-06-28
Posts: 15,218

Re: 10 second questions

Hi bobbym,

The solution #5007 is correct. Brilliant!

#5008. Simplify :


Character is who you are when no one is looking.

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,866

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

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

ganesh
Moderator
Registered: 2005-06-28
Posts: 15,218

Re: 10 second questions

Hi bobbym,

The solution #5008 is correct. Excellent!

#5009.

#5010.

.


Character is who you are when no one is looking.

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,866

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

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

ganesh
Moderator
Registered: 2005-06-28
Posts: 15,218

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.

.


Character is who you are when no one is looking.

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,866

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

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

ganesh
Moderator
Registered: 2005-06-28
Posts: 15,218

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 :

.


Character is who you are when no one is looking.

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,866

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

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

ganesh
Moderator
Registered: 2005-06-28
Posts: 15,218

Re: 10 second questions

Hi bobbym,

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

#5015.

#5016.


Character is who you are when no one is looking.

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,866

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

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

ganesh
Moderator
Registered: 2005-06-28
Posts: 15,218

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.


Character is who you are when no one is looking.

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,866

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

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

ganesh
Moderator
Registered: 2005-06-28
Posts: 15,218

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!


Character is who you are when no one is looking.

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,866

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

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

ganesh
Moderator
Registered: 2005-06-28
Posts: 15,218

Re: 10 second questions

Hi bobbym,

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

#5021. Find the value of x.

#5022.


Character is who you are when no one is looking.

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,866

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

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

ganesh
Moderator
Registered: 2005-06-28
Posts: 15,218

Re: 10 second questions

Hi bobbym,

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

#5023.

#5024.


Character is who you are when no one is looking.

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,866

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

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

ganesh
Moderator
Registered: 2005-06-28
Posts: 15,218

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

.


Character is who you are when no one is looking.

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

ganesh
Moderator
Registered: 2005-06-28
Posts: 15,218

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.


Character is who you are when no one is looking.

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,866

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

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

ganesh
Moderator
Registered: 2005-06-28
Posts: 15,218

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.


Character is who you are when no one is looking.

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

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 90,866

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.

I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.

Offline

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

ganesh
Moderator
Registered: 2005-06-28
Posts: 15,218

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.


Character is who you are when no one is looking.

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