Questions
A three-digit number is selected at random from the set of all three-digit numbers. The probability that the number selected has all the three digits same is
detailed solution
Correct option is D
Three-digit numbers are 100, 101, ..., 999. Total number of such numbers is 900.. The three-digit numbers (which have all same digits) are 111, 222, 333, ..., 999. Favorable number of cases is 9. Therefore, the required probability is9900=1100Talk to our academic expert!
Similar Questions
A bag contains 10 different balls. Five balls are drawn simultaneously and then replaced and then seven balls are drawn. If the probability that exactly three balls are common to the two draws is p, then the value of 8p is ________.
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