Select the option that will come next in the given series.

Find the wrong number in the series.
2, 9,5, 36, 125, 648

Find the next number of this series
10, 16, 25, 37, ?

313, 623, 933, 1234, ?

In the following question, select the missing number from the given series.
1, 7, 3, 9, 6, 12, 10, 16, 15, ?

27,32,30,35, 33, ?

Select the correct option that will fill in the blank and complete the series.
LM, QR, VW___

Which one set of letters when sequentially placed at the gaps in the given letter series shall complete It?
_c_bd_ cbcda_a_db_a