A batsman scores exactly a century by hitting fours and sixes in 20 consecutive balls. In how many different ways can he do it if some balls may not yield runs and the order of boundaries and over boundaries are taken into account?

In how many ways can be bowler take four wickets in a single 6 balls over?

In how many ways can we put 12 different balls in three different boxes such that first box contains exactly 5 balls.

A batsman can score 0,1,2,3,4 or 6 runs from a ball.The number of different sequences in which he can score exactly 30 runs in an over of six balls

The given Bar Graph presents the runs scored (A) and strike rate (B) of a batsman in five matches. Strike Rate is the number of runs scored per 100 balls faced. The strike rate (B) is taken on record only when the batsman scores at least 30 runs in a match. How many runs the batsman should have scored in the fifth match in as many balls he had faced in that match so that the average strike rate of the second and the fifth match becomes 120?

There are 24 balls of 6 different sizes in a bag, there being 4 balls of each size in four different colours.In how many ways 4 balls can be selected so that they are of different colours is

In a cricket match a batsman hits a boundary 6 times out of 20 balls he plays. Find the probability that he did not hit a boundary.