What will come in place of the x in the following Number series? 2, 7, 27, 107, 427, x  Answers:
A) 1427
B) 1607
C) 1707
D) 2047
E) 2147
2
2 × 4 - 1 = 7
7 × 4 - 1 = 27
27 × 4 - 1 = 107
107 × 4 - 1 = 427
427 × 4 - 1 = 1707 1707
<result>C</result>
What will come in place of the x in the following Number series? 2, 7, 27, 107, 427, x