Question

87. There are 100 people on a line. Aviva is the
37th person and Naomi is the 67th person, of
a person is on line chosen at random what is
the probability that the person it standing
between Aviva and Naomi
(A) 1/100
(B) 29/100
(C) 3/10
(D) None of these​

Answer 1

Number of people standing between Aviva and Naomi = 67-37 = 30

Therefore probability of the person chosen at random is between Naomi and Aviva = 30/100

= 3/10

hence the answer is (c)