ticket number from 1 to 20 are mixed up together and then a ticket is drawn at random the probability find the ticket have in number which is multiple of 3 or 7
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multiples of 3 from 1 to 20:- 3,6,9,12,15,18-total 6
multiples of 7:-7 , 14- total 2
total multiples--8
probability=8/20=2/5
==◆ans.2/5==•
multiples of 7:-7 , 14- total 2
total multiples--8
probability=8/20=2/5
==◆ans.2/5==•
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