Brain Teasers
4, 6, 12, 30...
What is the missing number...
4, 6, 12, 30...
4, 6, 12, 30...
Answer
84The difference between the numbers increases threefold each number(2 6 18...54)
Another formula could be each number equals 3x the preceding number -6
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Comments
or its a geometric progression... *1.5, *2, *2.5, *3 = 90. maybe more numbers wouldve helped...
huh?
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