Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
You are not logged in.
- Topics: Active | Unanswered
Pages: 1
#1 2008-06-27 12:46:58
- Harrywd
- Member
- Registered: 2008-06-27
- Posts: 1
Need Help!!!!
How do I get some help replacing the "?" with the proper number in this number puzzle?
THX
Harry
4 3 2
5 3 5 1 1
6 1 2 8 3 3 1
7 2 8 4 3
9 ? 3
THX Again!!!!
Offline
#2 2008-06-27 20:24:16
- luca-deltodesco
- Member
- Registered: 2006-05-05
- Posts: 1,470
Re: Need Help!!!!
what are the rules of the number puzzle?
The Beginning Of All Things To End.
The End Of All Things To Come.
Offline
#3 2008-07-14 05:48:22
- khlilism
- Member
- Registered: 2008-07-13
- Posts: 1
Re: Need Help!!!!
answer is 6
look at every row. the mid number is the average of the right and left numbers
1st row mid number=3 =(4+2)/3
2nd row mid number=5=(5+3+1+1)/2
and so on
last row mid= ? =(3+9)/2=6
so the answer is 6
Offline
Pages: 1