defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Quantitative Aptitude Probability
Five persons A, B, C, D and E occupy seats in a row at random. The probability that A and B sit next to each other is:
1
\(\dfrac{1}{4}\)
2
\(\dfrac{1}{2}\)
3
\(\dfrac{2}{5}\)
4
\(\dfrac{1}{3}\)