Question

Cards marked with the numbers 3,4,5------50 are placed in a box and mixed thoroughly. One

card is drawn at from the box. Find the probability that the number drawn on the card is (i)

divisible by 7? (2) A number which is a perfect square

Answer 1

total cards=50-3+1=48
1.) divisible by 7 = 7
p(e) = 7/48
2.) perfect sq. =6
p(e)=6/48=1/8

Answer 2

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