Permutation and CombinationMedium
Question
The number of ways is which an examiner can assign 30 marks to 8 questions, giving not less than 2 marks to any question is -
Options
A.21C7
B.21C8
C.21C9
D.21C10
More Permutation and Combination Questions
How many different nine digit numbers can be formed from the number 223355888 by rearranging its digits so that the odd ...A box contains two different white balls, three different black balls and four different red balls. In how many ways can...The number of ways in which the number 27720 can be split into two factors which are co-primes, is:...The number of ways in which 3 persons can occupy 6 rooms separately is-...A train is going from London to Cambridge stops at 12 intermediate stations. 75 persons enter the train during the journ...