18. For his vacations a man plans to visits four states Arunachal Pradesh (A), Kerala (K),
Meghalaya (M) and Uttarakhan

18. For his vacations a man plans to visits four states Arunachal Pradesh (A), Kerala (K),
Meghalaya (M) and Uttarakhand (U) in a random order. Based on the information answer
the following. (Attempt any 4 out of 5)
(i) The probability that he does not visit U first is
(a) 1/6
(b) 2/3
(c) 3/4
(ii) The probability that he visits A first or last is
(a) 1/2
(b) 1/3
(c) 1/12
(d) None
(iii) The probability that he visits A before K and K before M is
(a) 1/6
(b) 1/4
(c) 2/24
(d) None
(iv) The probability that he visits A just before U is
(a) 1/6
(b) 1/8
(c) 1/12
(d) None
(v) The probability that he visits K and U togather is
(a) 1/4
(b) 1/8
(c) 1/12
(d) None​