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#5251 2016-11-24 17:45:28

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution #3655 is correct. Neat work, bobbym!

#3656. The points A(0,-1), B(2,1), C(0,3), and D(-2,1) are the vertices of a
a) square
b) rectangle
c) parallelogram
d) none of these.


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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#5252 2016-11-24 19:06:53

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.

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#5253 2016-11-25 16:10:41

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

Re: Oral puzzles


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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#5254 2016-11-25 19:08:49

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution #3656 is correct. Neat work, bobbym and Monox D. I-Fly!

#3657. If A and B are the points (-6,7) and (-1,-5) respectively, then what is the distance 2AB equal to?


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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#5255 2016-11-25 19:38:45

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

Re: Oral puzzles


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.

Offline

#5256 2016-11-25 20:56:04

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

#5257 2016-11-26 20:37:07

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution #3657 is correct. Neat work, Monox D. I-Fly and bobbym!

#3658. Find the point on the x-axis which is equidistant from (-1,0) and (5,0).


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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#5258 2016-11-26 23:02:58

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

#5259 2016-11-27 19:00:56

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution #3658 is correct. Good work, bobbym!

#3659. The distance of the point (1,2) from the mid-point of line segment joining the points (6,8) and (2,4) 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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#5260 2016-11-27 20:31:10

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

#5261 2016-11-27 21:15:43

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

Re: Oral puzzles


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.

Offline

#5262 2016-12-19 22:29:24

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution #3659 is correct. Neat work, bobbym and Monox D. I-Fly!

#3660. If the equation

has exactly two equal roots, then one of the values of p is
a) 5
b) -3
c) 0
d) 3


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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#5263 2016-12-20 03:14:27

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

#5264 2016-12-20 18:32:45

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution #3660 is correct. Good work, bobbym!

#3661. The area of a right triangle is 30 square units. Determine its base and altitude, if the latter exceeds the former by 7 units.


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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#5265 2016-12-21 01:32:08

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

#5266 2016-12-21 17:28:06

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution #3661 (two parts) is correct. Neat work, bobbym!

#3662. A card is drawn from a well shuffled deck of cards. Find the probability of drawing
(i) a king of black color
(ii) the queen of spades
(iii) 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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#5267 2016-12-21 17:31:54

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

#5268 2016-12-22 17:59:40

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution #3662 (three parts) is correct. Excellent, bobbym!

A box has cards numbered 14 to 99. Cards are numbered thoroughly and a card is drawn from the bag at random. Find the probability that the number on the card, drawn from the box is

#3663. an odd number.

#3664. a perfect square number.

#3665. a number divisible by 7.


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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#5269 2016-12-22 20:38:33

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

#5270 2016-12-23 17:51:39

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solutions #3663, #3664, and #3665 are correct. Magnificent, bobbym!

#3666. The probability that a leap year has 53 Fridays or 53 Saturdays 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.

Offline

#5271 2016-12-23 18:39:14

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

#5272 2016-12-25 17:36:16

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution #3666 is correct. Neat work, bobbym!

#3667. Solve:
4x + 5y = 7,
3x + 4y = 5.


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

#5273 2016-12-25 20:43:49

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

#5274 2016-12-26 17:16:50

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution #3667 is correct. Good work, bobbym!

#3668. If the coordinates of the midpoints of the sides of a triangle are (1,2), (0,-1), and (2,-1). Find the coordinates of its vertices.


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

#5275 2016-12-26 18:09:41

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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