From 25 identical cards, numbered 1, 2, 3, 4, 5, ……, 24, 25: one card is drawn at random. Find the probability that the number on the card drawn is a multiple of:
There are 25 cards from which one card is drawn.
Total number of elementry event ==n(s)=25
From number 1 to 25, there are 5 number which are multiple of 5 i.e. [5,10,15,20,25] Favourable number of event = n(E)=5
Probability of selecting cards with a multiple of 5=
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