Number series

Number of series distinguished by Bentham and Hooker is subclass monochlamydeae is

Find the wrong number in the series.

The wave number of the series limit of Lyman series is -

Which number will fit both the series of numbers? Series A : 1, 4, 9, ......Series B : 1, 8, 27..... (A) 42 (B) 36 (C) 64 (D) 25

The number of transition series is:

The number of transition series in the periodic table are