Answer :

We know,

__Probability of an event__

a. Total cards from 3 and 50 = 50 – 3 + 1 = 48

Cards having number divisible by 7 = {7, 14, 21, 28, 35, 42, 49} = 7

Probability (Number is divisible by 7)

b. Total cards from 3 and 50 = 50 – 3 + 1 = 48

Cards having a perfect square = {4, 9, 16, 25, 36, 49} = 6

Probability (Number is perfect square)

c. Total cards from 3 and 50 = 50 – 3 + 1 = 48

Cards having number multiple of 6 = {6, 12, 18, 24, 30, 36, 42, 48} = 8

Probability (Number is multiple of 6)

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