Which number will replace the question mark in the given series?
9, 11, 20, 31, ? , 82
(A) 41
(B) 51
(C) 71
(D) 60
OMG it's impossible!!
Which number will replace the question mark in the given series?
9, 11, 20, 31, ? , 82
(A) 41
(B) 51
(C) 71
(D) 60
OMG it's impossible!!