Discussion Forum



1)

I, X, J, W, K, V, L, _?


A) M

B) U

C) S

D) T

Answer:

Option B

Explanation:

The given series is an alternate series
$I^{+1}$, $J^{+1}$, L is one series
$X^{-1}$, $W^{-1}$, $V^{-1}$, _ 

X-1=W, W-1=V, V-1=22-1=21
21st letter is U.