1, 2, 6, 7, 21, 22, 66, 67, ? | vedclass

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Question

(C) The pattern in the series is as follows:$1 + 1 = 2$$2 	imes 3 = 6$$6 + 1 = 7$$7 	imes 3 = 21$$21 + 1 = 22$$22 	imes 3 = 66$$66 + 1 = 67$Followi

Vedclass · Accepted Answer

$201$

Vedclass · Answer

(C) The pattern in the series is as follows:$1 + 1 = 2$$2 	imes 3 = 6$$6 + 1 = 7$$7 	imes 3 = 21$$21 + 1 = 22$$22 	imes 3 = 66$$66 + 1 = 67$Following this alternating pattern of adding $1$ and multiplying by $3$,the next step is to multiply by $3$:$67 	imes 3 = 201$Therefore,the missing number is $201$.

$1, 2, 6, 7, 21, 22, 66, 67, ?$

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