Mathematics
A book contains 92 pages. A page is chosen at random. What is the probability that the sum of the digits in the page number is 9 ?
Related Questions
A bag contains six identical black balls. A boy withdraws one ball from the bag without looking into it. What is the probability that he takes out :
(i) a white ball ?
(ii) a black ball ?
Three identical coins are tossed together. What is the probability of obtaining :
(i) all heads ?
(ii) exactly two heads ?
(iii) exactly one head ?
(iv) no head ?
Two coins are tossed together. What is the probability of getting :
(i) at least one head ?
(ii) both heads or both tails ?
From 10 identical cards, numbered 1, 2, 3, ……………, 10, one card is drawn at random. Find the probability that the number on the card drawn is a multiple of :
(i) 2
(ii) 3
(iii) 2 and 3
(iv) 2 or 3