In a cricket match, a batswoman hits a boundary 6 times out of 30 balls she plays. Find the probability that she did not hit a boundary.

In a cricket match, a batsman hits a boundary 10 times out of 50 balls he plays. Find the probability that the does not hit a boundary.

True/False: In a one-day cricket match, a batsman hits the boundary 6 times out of 30 balls the plays. Then the probability that the does not hit the boundary is 3/5

A bag A contains 5 white and 6 black balls. Another bag B contains 4 white ad 3 black balls. A ball is transferred from the bag A to the bag B and then a balls is taken out of the second bag. Find the probability of this ball being black.

A man is known to speak truth 3 out of 4 times. He throws a die and reports that it is a 6. Find the probability that it is actually 6.

A bag contains a red ball, a blue ball and a yellow ball, all the balls being of the same size. Kritika takes out a ball from the bag without looking into it. What is the probability that she takes out the red ball?

A bag contains a red ball, a blue ball and a yellow ball, all the balls being of the same size. Kritika takes out a ball from the bag without looking into it. What is the probability that she takes out the blue ball?

Suppose a girl throws a die. If she gets a 5 or 6, she tosses a coin three times and notes the number of heads. If she gets 1, 2, 3 or 4, she tosses a coin once and notes whether a head or tail is obtained. If she obtained exactly one head, what is the probability that she threw 1, 2, 3 or 4 with the die ?