Mathematics
A book contains 85 pages. A page is chosen at random. What is the probability that the sum of the digits on the page is 8?
Probability
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Answer
There are 85 pages.
∴ No. of possible outcomes = 85.
Page numbers whose sum of digits equal to 8 are {08, 17, 26, 35, 44, 53, 62, 71, 80}.
∴ No. of favourable outcomes = 9
P(getting a page with sum of digits equal to 8) = .
Hence, the probability of getting a page with sum of digits equal to 8 is .
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