In the following question, a letter-number series is given with one term missing as shown by question mark (?). Choose the missing term out of the given alternatives.
W-144, ?, S-100, Q-81, O-641
U-121
2
U-122
3
V-121
4
V-128
In the following question, a letter-number series is given with one term missing as shown by question mark (?). Choose the missing term out of the given alternatives.
W-144, ?, S-100, Q-81, O-64