Permutation and CombinationHard
Question
Given five different green dyes four different blue dyes and three different red dyes how many combinations of dyes can be chosen taking at least one green and one blue dyes-
Options
A.1345
B.3720
C.4675
D.7943
More Permutation and Combination Questions
nPn is equal to-...The number of proper divisors of apbqcrds where a, b, c, d are primes & p, q, r, s ∈ N is -...There are 12 points in a plane. The number of the straight lines joining any two of them when 3 of them are collinear is...Consider all permutations of digits 1,2,3.....9 such that sum of digits between -(i) 1 and 2 (including 1 and 2) is 12 (...Number of words that can be made with the letters of the word ″GENIUS″ if each word neither begins with G no...