Question

numbers are marked from 2 to 50 in a pack of cards and card is chosen find probability that card chosen is
divisible by 3 and 4
divisible by 5 or 7
neither divisive by 8 nor 9
plz help its urgent

Answer 1

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i)prime numbers are 2,3,5,7,11,13,17,19 =8

Probability that it is prime number=8/20=2/5

ii)Divisible by 3 are 3,6,9,12,15,18 =6

Probability that divisible by 3=6/20=3/10

iii)Perfect squares are 4,9,16 =3

Probability that its a perfect square=3/20

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$\sf\red{Thank\:you!}$

Answer 2

Answer:

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