[165] 6, 15, 35, 77, 165, 221

For Competitive Exams

6, 15, 35, 77, 165, 221

165

Explanation:
The terms of the series are products of two consecutive prime numbers i.e. (2 x 3),(3 x 5), (5 x 7), (7 x 11),…..
So, 165 is wrong and must be replaced by (11 x 13) i.e. 143.

Additional Questions

8, 13, 21, 32, 47, 63, 83	Answer
1, 2, 4, 8, 16, 32, 64, 96	Answer
3, 4, 10, 32, 136, 685, 4116	Answer
105, 85, 60, 30, 0, – 45, – 90	Answer
2, 5, 10, 17, 26, 37, 50, 64	Answer
125, 126, 124, 127, 123, 129	Answer
2, 5, 10, 50, 500, 5000	Answer
1,3,12,25,48	Answer
WFB, TGD, QHG, ?	Answer
AZ, GT, MN, ?, YB	Answer

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