If two fair coins are tossed then the probability of getting two heads is

(A) 0.1
(B) 0.25
(C) 0.5
(D) 0.75

Answer: (B) 0.25
The sample space of tossing two coins is: {HH, HT, TH, TT}
Therefore, P(HH)=1/4=0.25