2022 · Q118
A coin is tossed 3 times. The probability of getting exactly 2 heads is
general-mental-abilityquantitative-aptitude
- A1/3
- B3/8
- C1/2
- D5/8
Explanation
Three tosses have 2³ = 8 equally likely outcomes. Exactly two heads occurs in C(3,2) = 3 of them (HHT, HTH, THH). The probability is therefore 3/8.