Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Suppose 
person are sitting in a row. Two of them are selected at random. The probability that they are not together is
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
A
Let total no. of persons 
Since, two persons are selected
total no. of ways of selection 
Then 
persons not selected are arranged in places shown below by circles and the selected 2 persons can be arranged at places stated by dots (Dots are 
in number) Therefore the favourable no. of ways 
= 
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