A box contains 20 cards numbered from 1 to 20 a card is drawn at random from the box find the probability that the numbered on the car is divisible by 3or 5 neither divisible by 5nor 10 an even number.
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Step-by-step explanation:
No. Divisible by 3/5 = 3,6,9,12,15,5,10
P( divisible by 3 or 5 ) = 7/20
No. Divisible by 5/10 = 5,10,15,20
P( divisible by 5/10) = 4/20
Prob: 7/20 - 4/20 = 3/20
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