Find the next number: 1, 2, 6, 24, 120, ?
A600
B720CORRECT
C240
D144
Common EntranceQuantitative ReasoningNumber Series
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Why the answer is B, and why the others tempt you.
Multiply by 2, then 3, then 4, then 5, so next multiply by 6: 120 x 6 = 720.
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