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प्रश्न
There are 20 tickets numbered as 1, 2, 3,..., 20 respectively. One ticket is drawn at random. What is the probability that the number on the ticket drawn is a multiple of 5?
विकल्प
`1/4`
`1/5`
`2/5`
`3/10`
उत्तर
`1/5`
Explanation:
Total number of tickets = 20
Out of the given ticket numbers, multiples of 5 are 5, 10, 15 and 20.
Number of favourable outcomes = 4
∴ P(getting a multiple of 5) =`4/20 = 1/5`
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