Question 59
Which one number when placed at the sign of interrogation shall complete the series
3, 6, 18, 72, ...?..., 2160
Solution
Consecutive natural numbers are multiplied.
3 $$\times2$$ = 6
6 $$\times3$$ = 18
18 $$\times4$$ = 72
72 $$\times5$$ = 360
360 $$\times6$$ = 2160
=> Ans - (D)
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