A) \[\frac{3}{4}\]
B) \[\frac{1}{4}\]
C) \[\frac{9}{16}\]
D) \[\frac{1}{16}\]
Correct Answer: B
Solution :
(b): Total possible number of 4 digits = 24, the number is divisible by 5 if unit digit itself is 5. Therefore we fix 5 at unit place and then remaining 3 places can be filled up in 6 Ways. Hence, the required probability \[=\frac{6}{24}=\frac{1}{4}\].
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