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What is X?
 
pisces  posted on May 01, 2012 1:42:44 AM - Report post

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3 7 6 14 9 21 12 X

What is X?

a) 28
b) 15
c) 30
d) 18

Anyone can agree with me that the answer is 28? If so, how did you figure it out?

 
Evanscense  posted on May 01, 2012 1:47:59 AM - Report post

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EVIL GENIUS
Spoiler:
28
2x 3x 4x times
 
shafir  posted on May 01, 2012 3:01:44 AM - Report post

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finally got it!

3 7 6 14 9 21 12 X

n2=7 n4=14 n6=21 n7=28

she just ignored the others

[Edited by shafir, 5/1/2012 3:10:59 AM]

 
Wrythe1985  posted on May 01, 2012 3:12:59 AM - Report post

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The answer is 28. Every third number you add either 3 or 7 starting by adding 3 and alternating to 7 then back to 3. Example, 3+3=6, 7+7=14 and so on.
 
Neo7  posted on May 01, 2012 8:17:10 AM - Report post

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The answer is A

Integer N = 3;
Integer I = 1;
Function Sequence
Do While (You are not bored)
If(I is even)
N = N - (5*(I/2) - 1);
Else If(I is odd)
N = N + 4 * ceiling(I/2);
I++;
End While
End Function

[Edited by Neo7, 5/1/2012 8:32:17 AM]

 
Unbreakable  posted on May 01, 2012 8:21:54 AM - Report post

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Spoiler:
X is a letter in the alphabet. In relation to this question, it is a variable. It is holding the value of 28, logically. In terms of the multiple choice, X is the value to which A is listing, so X=A.
 
Skyheart  posted on May 01, 2012 8:31:32 AM - Report post

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Spoiler:
Or to put it simply, the numbers alternate between multiples of 3 and 7, i.e. 3, 6, 9, 12, and 7, 14, 21, 28. So yeah, like everyone else has said, X = A.
 
64  posted on May 17, 2012 1:47:45 PM - Report post

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CHEATMASTER
Answer this:
10 20 3 15 1000 60 ??

A)6000
B)1
C)16
D)44

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