NDA2023MathematicsPermutation and CombinationActual
Three boys, P, Q, R an three girls S, T, U are to be arranged in a row for a group photograph. What is the probability that no two girls sit together?
Options
- A2 5
- B3 5
- C1 18
- D1 5
Correct answer
D. 1 5
Step-by-step solution
Required probability = 3! ^4 P ₃ 6! = 1 5