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#6851 2016-05-30 00:01:06

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi;

The solution #5853 (four parts) are correct. Marvelous, zetafunc!

#5854. A bag contains 5 white balls, 7 red balls, 4 black balls, and 2 blue balls. One balls is drawn at random from the ball. What is the probability that the ball drawn is
(i) white or blue?
(ii) red or black?
(iii) not white?
(iv) neither white nor black?


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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#6852 2016-05-30 00:03:09

zetafunc
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Registered: 2014-05-21
Posts: 2,436
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Re: 10 second questions

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#6853 2016-05-30 17:54:27

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi;

The solution #5854 (four parts) are correct. Excellent, zetafunc!

#5855. A card is drawn at random from a well-shuffled deck of playing cards. Find the probability that the card drawn is
(i) a king or jack.
(ii) a non-ace.
(iii) a red card.
(iv) neither a king nor a queen.


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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#6854 2016-05-30 18:13:47

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.

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#6855 2016-05-31 00:13:47

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi;

The solution #5855 (four parts) are correct. Excellent, bobbym!

#5857. A person on tour has $360 for his daily expenses. If he exceeds his tour program by 4 days, he must cut down his daily expenses by $3 per day. Find the number of days of his tour program.


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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#6856 2016-05-31 03:49:05

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.

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#6857 2016-05-31 19:18:08

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi;

The solution #5857 is correct. Splendid, bobbym!

#5858. In a game of cards, Neeraj scored 3 points more than twice the number of points Pankaj scored. If the product of their scores was 65, how many points did each score?


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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#6858 2016-05-31 21:20:18

zetafunc
Moderator
Registered: 2014-05-21
Posts: 2,436
Website

Re: 10 second questions

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#6859 2016-05-31 22:20:27

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.

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#6860 2016-06-01 00:08:52

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi;

The solutions in #5858 are correct. Neat work, zetafunc and bobbym!

#5859. Find the roots of the quadratic 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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#6861 2016-06-01 04:08:01

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.

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#6862 2016-06-01 17:42:17

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi;

The two solutions in #5859 are correct. Neat work, bobbym!

#5860. Find the roots of the quadratic 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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#6863 2016-06-01 18:40:17

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.

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#6864 2016-06-01 22:32:41

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi;

The solution(s) in #5860 is/are correct. Neat work, bobbym!

#5861. Two numbers differ by 2 and their product is 360. Find the numbers.


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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#6865 2016-06-01 22:55:18

zetafunc
Moderator
Registered: 2014-05-21
Posts: 2,436
Website

Re: 10 second questions

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#6866 2016-06-02 02:13:29

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi;

The solution #5861 (two values) are correct. Excellent, zetafunc!

#5862. The hypotenuse of a right angled triangle is 6 meters more than the shortest side. If the third side is 2 meters less than the hypotenuse, find the sides of the triangle.


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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#6867 2016-06-02 02:22:49

zetafunc
Moderator
Registered: 2014-05-21
Posts: 2,436
Website

Re: 10 second questions

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#6868 2016-06-02 04:52:50

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.

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#6869 2016-06-02 17:30:15

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi;

The solutions in #5862 are correct. Brilliant, zetafunc and bobbym!

#5863. The sum of two numbers is 18 and their product is 56. Find the numbers.


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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#6870 2016-06-02 18:44:28

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 2,000

Re: 10 second questions


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

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#6871 2016-06-02 18:45:08

zetafunc
Moderator
Registered: 2014-05-21
Posts: 2,436
Website

Re: 10 second questions

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#6872 2016-06-02 19:15:30

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

#6873 2016-06-03 21:09:51

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi;

The two numbers are correct. Neat work, Monox D. I-Fly, zetafunc, and bobbym!

#5864. There are three consecutive integers such that the square of the first increased by the product of the other two gives 154. What are the integers?


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

#6874 2016-06-04 06:53:47

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

#6875 2016-06-04 17:29:09

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,420

Re: 10 second questions

Hi;

The solution #5864 (three values) are correct. Excellent, bobbym!

#5865. Solve:


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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