please solve RD sharma class 12 chapter 30 Probablity Exercise very short answer question, question 5 maths textbook solution
Answer : The required probability is
Hint:
The possible way of getting 7w by getting two 2’s and one 3’s
Given:
An ordinary cube has 4 plane faces, one face marked 2 and another face marked 3
Explanation:
Probability is given that,
Three numbers are chosen at random from 1 to 20
Total Number of cases = 18
So, the required probability =
Hence, the probability that they are consecutive is