The answer is 90
2x3=6, 3x4=12, 4x5=20, 5x6=30, 6x7=42, (missing 7x8=56, 8x9=72), 9x10=90
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DelMarVa's Premier Source for News, Opinion, Analysis, and Human Interest Contact Publisher Joe Albero at alberobutzo@wmconnect.com or 410-430-5349
16 comments:
97
I got it and it was very easy. If this qualifies as what is considered a genius today then we are in deep trouble.
90, map
90
72
72
90
1:40 what is your answer?
If I'm right--and 72 is the
answer------I am a genius?
64
90
6:21-90
I didn't want to put my answer down just in case someone read comments before trying to figure it out.
I figured it out instantly
2 (x3) =6
3 (4) =12
4 5 20
and on and on
I agree with 1:40. I, too, got it correct......if that's a genius we are in trouble!!!
I used addition. The answers increase by two each time and add up. 6+6, +8, +10, +12, +14, +16, +18=97.
So. which is "Right"?
AAAAK! I take that back! even my method adds up to 90!
2=6 +6
3=12 +8
4=20 +10
5=30 +12
6=42 +14
(7=56) +16
(8=70) +18
9= 88
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