Question 6

Complete the series.
1, 2, 6, 24, 120, (…)

Solution

Pattern is:

$${1}\times{2} = 2$$

$${2}\times{3} = 6$$

$${6}\times{4} = 24$$

$${24}\times{5} = 120$$

$${120}\times{6} = 720$$

Therefore the required number is $$720$$.

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