NDA2023MathematicsProbabilityActual
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 Q and U sit together?
Options
- A2 3
- B1 4
- C5 6
- D1 3
Correct answer
D. 1 3
Step-by-step solution
Required probability = 5! 2 6! = 1 3