Discussion
Insert the missing number 2, 4, 12, 48, 240, (....)
Answer: B
The multiplier grows by one at each step.
\[ 2 \times 2 = 4,\quad 4 \times 3 = 12,\quad 12 \times 4 = 48,\quad 48 \times 5 = 240 \]
\[ 240 \times 6 = \mathbf{1440} \]
Assuming a constant multiplier of 5 would give 1200, and of 4 would give 960 - the first option.
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