Permutation and CombinationEasy
Question
There are 20 persons among whom two are brothers. The number of ways in which we can arrange them round a circle so that there is exactly one person between the two brothers, is-
Options
A.18!
B.2 (18!)
C.2 (19!)
D.None of these
More Permutation and Combination Questions
In how many ways can a committee of 6 be formed out of 6 men and 4 women so that committees include at the most 2 women?...The number of ways of arranging the letters AAAAA, BBB, CCC, D, EE & F in a row if the letter C are separated from one a...If out of 8 flags, 5 flags are white (identical) and 3 flags are of red colour (identical), then how many signals can be...There are 12 points in a plane of which 5 are collinear. The number of distinct quadrilaterals which can be formed with ...There are four balls of different colours and four boxes of colours same as those of the balls. The number of ways in wh...