To what series does the spectral lines of atomic hydrogen belong if its wave number is equal to the difference between the wave numbers of the following two lines of the Balmer series 486.1 and 410.2 nm?

Question

$(a)\;2^{nd}  to  3^{rd} level\qquad(b)\;4^{th}  to  2^{nd} level\qquad(c)\;5^{th}  to  1^{st} level\qquad(d)\;6^{th}  to  4^{th} level$