List of top Logical Reasoning Questions on Number Series asked in CG Pre BEd

What will be the missing term marked with [?] in the circle?

Which is the missing number in the given number sequence?
7, 15, 32, -----, 138, 281

In the series given below how many 8s are there each of which is exactly divisible by its preceding as well as succeeding numbers?
2, 8, 3, 8, 2, 4, 8, 2, 4, 8, 6, 8, 2, 8, 2, 4, 8, 3, 8, 2, 8, 6