Question

an integer is chosen between 0 and 100 what is the probability that it is :

(1) divisible by 9

(2) a perfect square number

Answer 1

1) probability =11/100
2)probability = 10/100=1/10

Answer 2

Answer:

1) 11/99

→there are 11 numbers b/w 0 & 100 which are divisible by 9 ... also there are 99 outcome... becoz we will not consider 0 ..

2) 10/99

→ there are 10 numbers which are perfect square between 0 & 100 .... and, total outcomes are 99...

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