What will come in place of the x in the following Number series? 18, 22, 30, 46 ,78, X  Answers.
A) 35 B) 56 C) 142 D) 87 E) 98
(142)   The pattern is +4, +8, +16, +32, +64   So the missing term is = 142
<result>C</result>
What will come in place of the x in the following Number series? 18, 22, 30, 46 ,78, X