a book contains 90 pages which are numbered from 1 to 90 if page is opened at random from the book find the probablity that it will be a two digit number,a perfect square number
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Step-by-step explanation:
Number of perfect square from 1 to 90 are 1,4,9,16,25,36,49,64,81.
Total cases =90
Favorable cases =9
Therefore, probability =
90
9
=
10
1
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