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A box contains cards bearing numbers 6 to 70. If one card is drawn at random from the box, then find the probability that it bears (a) a one - digit

number. (b) a number divisible by 5.


A)there are 4 one digit no.s..6,7,8 and 9 so the probability of getting one digit no.=4/65...b) there are 13 no.s that are divisible by 5...10,15,20,25,30,35,40,45,50,55,60,65 and 70..so probability of getting a no.divisible by 5=13/65=1/5
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