Home
Class 11
MATHS
Out of 15 balls, of which some are white...

Out of 15 balls, of which some are white and the rest are black, how many should be white so that the number of ways in which the balls can be arranged in a row may be the greatest possible? It is assumed that the balls of same color are alike?

Promotional Banner

Similar Questions

Explore conceptually related problems

There are 2 identical white balls,3 identical red balls and 4 green balls of different shades. The number of ways in which they can be arranged in a row so that atleast one ball is separated from the balls of the same colour,is

There are 2 identical white balls,3 identical red balls,and 4 green balls of different shades. Find the number of ways in which they can be arranged in a row so that at least one ball is separated from the balls of the same color.

In how many ways can 3 red and 4 black balls be arranged in a row?

A box contains two white balls, three black balls nd four red balls. The number of ways in which three balls can be drawn from the box so that at least one of the balls is black is

3red and 4 white balls of different sizes are arranged in a row at random.The probability that no two balls of the same colour are together is

The number of ways in which 4 different red balls and 8 similar green balls can be arranged in a row so that at most 3 red balls are together is equal to

IN how mny ways can 18 white and 19 black balls be arranged in a row so that no two white balls may be together? It is given that balls ofteh same colour are identical.