Permutation and CombinationHard
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 divisors of 21600 are divisible by 10 but not by 15?...The number of integral solutions of x + y + z = 0 with x ≥ − 5, y − 5, z ≥ − 5 is -...Number of dissimilar terms in the expansion of (x1 + x2 + ...... + xn)3 is -...Number of ways in which 9 different toys can be distributed among 4 children belonging to different age groups in such a...The number of ways in which at least one coin can be selected from 3 coins of one rupee, 4 coins of fifty paise, 5 coins...