9th Class
Mathematics
Probability
Question Bank
Probability
question_answer
Without looking at any page, a number is chosen at random from the page. What is the probability that the digit at the units place of the number chosen is greater than 6?
A)\[\frac{3}{10}\]
B)\[\frac{6}{10}\]
C) \[\frac{4}{10}\]
D) None of these
Correct Answer:
A
Solution :
Since any digit from 0 to 9 can occur at units place. Total number of possible outcomes = 10 Favourable outcomes when number chosen is greater than 6 = {7, 8, 9} i.e., 3 in number. Number of favourable outcomes = 3 Required probability