MEDIUM
11th ICSE
IMPORTANT
Earn 100

From 4 mangoes, 5 oranges and 6 apples, how many selections can be made by taking at least one of them?

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Important Questions on Permutations and Combinations

EASY
11th ICSE
IMPORTANT
Out of 3 books on economics, 4 books on political science and 5 books on history, how many collections can be made if each collection consists of exactly one book on each subject?
MEDIUM
11th ICSE
IMPORTANT
Out of 3 books on economics, 4 books on political science and 5 books on history, how many collections can be made if each collection consists of atleast one book on each subject?
MEDIUM
11th ICSE
IMPORTANT
In how many ways can 20 articles be packed in three parcels so that the first parcel contains 5, the second 7 and the third 8?
MEDIUM
11th ICSE
IMPORTANT
In how many ways can 10 different marbles be divided between two children so that one of them may get 7 marbles and the other 3?
EASY
11th ICSE
IMPORTANT
In how many ways can 24 different things be divided into 4 heaps so that each heap may contain 6 things?
EASY
11th ICSE
IMPORTANT
In how many ways can 20 students be divided into 4 equal groups? In how many ways can these students be sent to different schools?
EASY
11th ICSE
IMPORTANT
In how many ways can a pack of 52 cards be divided equally among 4 players?
MEDIUM
11th ICSE
IMPORTANT
Find the number of ways in which 12 books can be placed on 3 shelves, 4 books on each shelf.