Finger Math
#1052754
01/31/16 05:17 PM
01/31/16 05:17 PM
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Joined: Apr 2005
Posts: 37,798
Alabama
soot
OP
Puzzled Moderator
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OP
Puzzled Moderator
Sonic Boomer
Joined: Apr 2005
Posts: 37,798
Alabama
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 XX 1. What number should replace the "X"?
9 6 7
| | |
1 3 3 6 X
/ \ / \ / \
2 5 9 18 8 15
XX 2. What number comes next in the sequence? 3624, 4363, 3644, 4563, 3664, ? XX 3. What four digits should appear in the middle "I"
3 8 4 2 7 6 8 4 5 2 1 7
9 . 9
6 . 4
6 . 8
3 . 1
5 6 3 9 1 9 7 9 4 3 8 1
xx 4. What number should replace the "X"? XX 5. Each line of numbers below follows the same logical progression. Can you replace the letters with the correct numbers?
3 8 2 4 | 1 1 6 | A
4 9 6 8 | B | 1 8
7 5 1 9 | C | D
Last edited by soot; 02/10/16 09:59 PM.
Dan
...
To learn, read...To know, write...To master, teach...To live, play games & listen to whale music Stay Smart & Stay Safe
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Re: Finger Math
[Re: soot]
#1052770
01/31/16 08:38 PM
01/31/16 08:38 PM
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Joined: Aug 2000
Posts: 52,969
Upstate NY
Pandora
Sonic Boomer
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Sonic Boomer
Joined: Aug 2000
Posts: 52,969
Upstate NY
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1. 41 The top number is multiplied by the bottom left. Subtract the bottom right number from the result. 
Netflix needs to stop asking if I'm still watching and start asking if I've switched the laundry over yet
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Re: Finger Math
[Re: soot]
#1052779
01/31/16 09:15 PM
01/31/16 09:15 PM
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Joined: Nov 2000
Posts: 18,719
Ottawa Ontario Canada
CanukDenis
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Graduate Boomer
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Posts: 18,719
Ottawa Ontario Canada
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2: 3624, 4363, 3644, 4563, 3664, ?=4763
odd positions increase by 20, evens by 200
I'm a man of few words, BUT I use 'em often!!
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Re: Finger Math
[Re: soot]
#1052802
02/01/16 01:22 AM
02/01/16 01:22 AM
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Joined: Oct 2011
Posts: 3,440
47.79N, 122.24W
BobH
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Addicted Boomer
Joined: Oct 2011
Posts: 3,440
47.79N, 122.24W
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4. 7+ 4 - 2* 4 - 1 = 11 - 8 - 1 = 2 6+ 9 - 2* 5 -1 = 15 - 10 -1 = 4 so, 3+ 8 - 2* 6 -1 = 11 - 12 - 1 = -2
Bob
As I've grown older, I've found that my memory is not as good as I used to think it was.
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Re: Finger Math
[Re: soot]
#1052805
02/01/16 03:08 AM
02/01/16 03:08 AM
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Joined: Jan 2003
Posts: 5,763
Mojave desert, California
CCbomber
BAAG Specialist
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BAAG Specialist
Joined: Jan 2003
Posts: 5,763
Mojave desert, California
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3. 3 8 4 2 7 6 8 4 5 2 1 7
9 9 9
6 5 4
6 9 8
3 8 1
5 6 3 9 1 9 7 9 4 3 8 1
The vertical numbers are the sum of the top and bottom numbers of the "I" to it's right (wraps around).
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Re: Finger Math
[Re: soot]
#1053903
02/09/16 06:31 AM
02/09/16 06:31 AM
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Joined: Jan 2003
Posts: 5,763
Mojave desert, California
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BAAG Specialist
Joined: Jan 2003
Posts: 5,763
Mojave desert, California
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5. 3 8 2 4 | 1 1 6 | 1 7
4 9 6 8 | 1314 | 1 8
7 5 1 9 | 1210 | 1 3 In col 1, the sum of the first two digits followed by the sum of the last two digits is the number in col 2. In col 2, the first digit followed by the sum of the remaining digits is the number in col 3. 
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Re: Finger Math
[Re: soot]
#1054042
02/09/16 09:13 PM
02/09/16 09:13 PM
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Joined: Oct 2011
Posts: 3,440
47.79N, 122.24W
BobH
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Addicted Boomer
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47.79N, 122.24W
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4. 7 * 4 = 24 + 4 6 * 9 = 45 + 9 so, 3 * 8 = 16 + 8 x = 1 
Bob
As I've grown older, I've found that my memory is not as good as I used to think it was.
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