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

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## #1 Re: Puzzles and Games » Neat problem » 2009-03-02 05:11:25

Jane, that was rude. You don't have any right to say that.

i dont know

## #4 Re: Help Me ! » Percentages » 2009-03-02 04:41:44

for the first one, the answer is:
65/40 x 100=
65/2 x 5(40 gets cancelled by 20 so it beomes and 100 becomes 5 for the same reason)
then 65 x 5/2=
325/2=162.5

110(same method)

the third one is not clear

the fourth one:
113.33 ....... it goes on

## #5 Dark Discussions at Cafe Infinity » seven unanswered questions » 2009-02-17 04:06:00

Replies: 8

well, do u guys know tht thr r 7 unnswered mathematics questions, which upon answering could fetch you 1 mn dollars. anyone for tht ?

## #6 Re: Ganesh's Puzzles » Oral puzzles » 2009-02-15 08:31:13

the answer to 12 is 22.5 degrees

## #7 Re: Ganesh's Puzzles » Oral puzzles » 2009-02-15 08:29:58

the answer to the 12 is 22.5 degrees