Math Is Fun Forum

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

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#28 Re: Dark Discussions at Cafe Infinity » What is Society? » 2010-08-08 21:53:01

I'd consult a dictionary..... how bout Advanced Learner's Oxford?

#29 Re: Dark Discussions at Cafe Infinity » Did you know? » 2010-08-08 21:49:16

JaneFairfax wrote:

Did you know?

Love waves are dangerous. They are actually earthquake waves!

http://z8.invisionfree.com/DYK/index.php?showtopic=912

Love Shakes lol

#30 Re: Jokes » Mistake.......... » 2010-08-08 21:47:45

they are cheap to commit but cost a lot thereafter big_smile

#31 Re: Jokes » Artificial Intelligence » 2010-08-08 21:45:45

hahahahahhaha

low an IQ of -50 lol

#32 Re: This is Cool » Microshots! » 2010-07-25 08:43:08

I guess they won't tickle tongue

#33 Re: Jokes » nice one » 2010-07-23 10:16:42

get something else tongue

#34 Re: Puzzles and Games » Catch Me If You Can! » 2010-07-23 03:19:44

SpaceX wrote:

? smile

Sorry again.... sad SpaceX (I like ur handle tongue)

Here's a bigger hint: Its related to sounds!!

#35 Re: Jokes » Joke? » 2010-07-21 06:28:19

I was driving past this really awkward city with poor construction of roads why I was simultaneously surfing on my mobile too. It was when I was entering the web address of "Math Is Fun Forum" (a cool site) when I suddenly experienced a Big Jerk coz there was a Big bump (of radius about 10 inches and diameter must have been 'almost' 20 inches, it was 5 images deep yikes ) in the middle of the road. The mobile fell off my hand and the car stepped down the track into the play field where children (of age about 14 and average height, some where much younger and smaller) were playing. I guess they were playing cricket. The batsman had just hit it hard and it was all upto 4 runs. Oh well, in order to save the ball from hitting the car and damaging it (at the same time stopping them score) I crashed head on into a tree. When I came to senses, the first thing that I did was had a smoke. Then I picked up the mobile and saw "There's nothing to see here... Move on". I guess I made a typo somehow tongue

#37 Re: Dark Discussions at Cafe Infinity » """Friends"""" » 2010-07-19 03:24:55

Books are a Man's BEST FRENDS!

Buy yourself... mmmm... may be Pent House? tongue

#38 Re: Help Me ! » polynomial » 2010-07-18 03:02:51

it factorizes to
(x^2+x+1) (x^8-x^7+x^5-x^4+x^3-x+1)

I don't know what it means to break it over the rationals. sad

#39 Re: Puzzles and Games » Catch Me If You Can! » 2010-07-17 17:24:52

SpaceX wrote:

Q1 is



? smile




EDIT: hi, it's my first spost in this forum. i m new. thanks smile

Welcome to tha forum SpaceX!!

and for your answer... down

have a closer look at the hint... its easy!

#40 Re: Puzzles and Games » Catch Me If You Can! » 2010-07-17 17:22:51

wintersolstice wrote:
ZHero wrote:
wintersolstice wrote:

you probably meant Q3? coz there are no Xs or Ns in Q2.
But for both the questions down

I'm safe big_smile

Yes your right I'm meant Q3!

PEFECT!! up

I need to run now.... big_smile

#41 Re: Puzzles and Games » Catch Me If You Can! » 2010-07-16 04:59:24

wintersolstice wrote:

you probably meant Q3? coz there are no Xs or Ns in Q2.
But for Q2 down

I'm safe big_smile

#42 Re: Help Me ! » Probability. » 2010-07-12 21:16:29

That was easy! I was wondering about Prime numbers when a question arose in my mind... now i realize that this one was of no help.

#43 Help Me ! » Probability. » 2010-07-12 17:00:42

ZHero
Replies: 2

I am interested to know that "what is the probability that a number chosen at random will have the sum of its digits divisible by 9"?

Plz help...

#44 Jokes » Joke? » 2010-07-12 16:56:47

ZHero
Replies: 3

Math Is Fun Forum

you own this too? tongue

#47 Maths Is Fun - Suggestions and Comments » Congratulations MIF!! » 2010-07-08 00:05:47

ZHero
Replies: 6

Congratulations MIF for now having more than 69, 000 tongue Registered users!!

Wish you'll soon have more than a lakh!! up

#48 Re: Puzzles and Games » Catch Me If You Can! » 2010-07-07 08:53:24

3. Find the missing terms in the following sequence...

E O E R E ? N T E ? N E N N N ?

#50 Re: Help Me ! » Inverse proportion » 2010-07-05 06:12:05

Work done = Number of men × Time tanken × Rate of work

Or, W = N × T × R
Here, in the first case, W = 2, N = 3, T = 5 and R = R
2 = 3 × 5 × R
R = 2/(3 × 5)  ..... (1)

For the second case, W = 7, N = 5, T = ?, R = R
7 = 5 × ? × R
R = 7/(5 × ?)  ..... (2)

Equate equations (1) and (2) and you'll get the value of "?"!

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