1, 2, 6, 7, 21, 22, 66, 67, ?
70
134
201
301
Explanation:
The pattern is + 1, x 3, + 1, x 3, + 1, x 3, + 1,…..So, missing term = 67 x 3 = 201.
The pattern is + 1, x 3, + 1, x 3, + 1, x 3, + 1,…..So, missing term = 67 x 3 = 201.
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