Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

#5126 2016-09-27 17:10:12

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

#5127 2016-09-28 17:35:34

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

Re: Oral puzzles

Hi;

The solution #3235 is correct. Neat work, bobbym!

#3236. If

then what is 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

#5128 2016-09-28 20:17:46

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

#5129 2016-09-29 16:50:18

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

Re: Oral puzzles

Hi;

The solution #3236 is correct. Excellent, bobbym!

#3237. If

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

#5130 2016-09-29 18:01:27

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

#5131 2016-09-30 18:41:10

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

Re: Oral puzzles

Hi;

The solution #3237 is correct. Excellent, bobbym!

#3238. If cos A = 3/5, then evaluate tan A - cot A.


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

#5132 2016-09-30 18:49:01

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

#5133 2016-09-30 23:01:45

thickhead
Member
Registered: 2016-04-16
Posts: 1,086

Re: Oral puzzles


{1}Vasudhaiva Kutumakam.{The whole Universe is a family.}
(2)Yatra naaryasthu poojyanthe Ramanthe tatra Devataha
{Gods rejoice at those places where ladies are respected.}

Offline

#5134 2016-10-01 00:07:22

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

Re: Oral puzzles

Hi;

The solution(s) in #3238 is/are correct. Good work, bobbym and thickhead!

#3239. If

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

#5135 2016-10-01 01:04:02

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

#5136 2016-10-01 17:11:38

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

Re: Oral puzzles

Hi;

The solution #3239 is correct. Excellent, bobbym!

#3240. If 8tanA = 15, 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

#5137 2016-10-01 18:16:49

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

#5138 2016-10-02 17:22:19

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

Re: Oral puzzles

Hi;

The solution #3240 is correct. Excellent, bobbym!

#3241. If

find the values of m and n where m and n are non negative 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

#5139 2016-10-02 20:24:55

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

#5140 2016-10-03 16:54:17

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

Re: Oral puzzles

Hi;

The solutions in #3241 is correct. Neat work, bobbym!

#3242. If 2 is a zero of the polynomial

find the value of k.


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

#5141 2016-10-03 20:12:37

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

#5142 2016-10-04 18:28:09

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

Re: Oral puzzles

Hi;

The solution #3242 is correct. Neat work, bobbym!

#3243. If 3 is a zero of the polynomial

find the value of k.


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

#5143 2016-10-04 19:40:43

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

#5144 2016-10-05 19:45:08

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

Re: Oral puzzles

Hi;

The solution #3243 is correct. Neat work, bobbym!

#3244. A box contains 30 cards, numbered from 1 to 30. A card is drawn from the box at random. Find the probability that the number on the drawn card is
(a) even
(b) prime and
(c) a multiple of 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.

Offline

#5145 2016-10-05 20:16:02

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

#5146 2016-10-06 00:26:09

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

Re: Oral puzzles

Hi;

#3244. A box contains 30 cards, numbered from 1 to 30. A card is drawn from the box at random. Find the probability that the number on the drawn card is
(a) even
(b) prime and
(c) a multiple of 7.

The solutions #3244 (a) and (c) are correct. Neat work! (b) is 1/3.

#3245. A box contains 20 cards numbered from 1 to 20. A card is drawn at random from the box. Find the probability that number drawn on the card is
(i) divisible by 2 or 3
(ii) a prime number.


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

#5147 2016-10-06 02:51:51

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

#5148 2016-10-06 17:19:14

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

Re: Oral puzzles

Hi;

The solutions in #3245 are correct. Neat work, bobbym!

#3246. 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.

Offline

#5149 2016-10-06 20:52:13

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

#5150 2016-10-09 19:21:42

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

Board footer

Powered by FluxBB