I will go for D) 11
Dharmin you missed 102 and 120.
Assuming 1ab is the number, one of the possibilities is
(a+b)/ 2 = 1; This is possible if a = b =1 or if a=0 and b=2 or if a=2 and b=0
i accord you gaytri, i missed 102 and 120
answer should be "D".
actually i need to break sentences into two lines
however, 321 / 231 are not possible.
Perseverance, Hard Work and self confidence