SOLUTION: The numbers in each of the three brackets follow the same rule. Find the missing number. [19, 25, 3] [4, 26, 11] [?, 51, 9] A 20 B 31 C 33 D 34 I cannot find any comm

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Question 1020885: The numbers in each of the three brackets
follow the same rule. Find the missing
number.
[19, 25, 3] [4, 26, 11] [?, 51, 9]
A 20
B 31
C 33
D 34
I cannot find any common rule?

Found 2 solutions by MathLover1, ikleyn:
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!
[, , ]-> common rule:
[, , ] ->
[, , ]->->->->
[, , ]
so, answer is:
C

Answer by ikleyn(52788)   (Show Source): You can put this solution on YOUR website!
.
x = 51 - 2*9   --->   x = 51 - 18 = 33.

Guessing numbers is not Math. It is puzzling.


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