If 16 = 11, 25 = 12, 36 = 15, then 49 = ?
A19
B20
C25
D21
A19
B20
C25
D21
Related Questions:
Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series. p_ _ u o p q t_ _ _ q _u o p q_u_