A new flag is to be designed with six vertical stripes using some or all of the colours yellow, green, blue and red. Then, the number of ways this can be done such that no two adjacent stripes have the same colour is
Correct Answer : A
Ram has four children whose nicknames are Honey, Sunny, Moni and Bunny.He had a total of 12 mangoes to distribute among them such that each child got at least one mango.Find the number of 'ways of distributing the mangoes such that Bunny receives exactly 5 mangoes.
In how many ways can the eight directors, the Vice-chairman and the Chairman of a firm be seated at a round-table, if the Chairman has to sit between the Vice-chairman and a director?
Suppose 10 teachers are required in a college. If 4 are M.A’s and 10 doctorates apply for the Professorship, how many selections can be made taking all MA’s