EASY
11th ICSE
IMPORTANT
Earn 100
Four different mathematics books, six different physics books, and two different chemistry books are to be arranged on a shelf. How many different arrangements are possible if the mathematics books must stand together?
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Important Questions on Permutations and Combinations
EASY
11th ICSE
IMPORTANT
In how many ways can children be arranged in a line such that two particular children of them are always together?
MEDIUM
11th ICSE
IMPORTANT
In how many ways can children be arranged in a line such that two particular children of them are never together?
MEDIUM
11th ICSE
IMPORTANT
How many numbers of six digits can be formed from the digits and when no digit is repeated? How many of them are divisible by
EASY
11th ICSE
IMPORTANT
In how many ways can boys and girls be seated in a row so that no two girls sit together?
EASY
11th ICSE
IMPORTANT
Find the number of ways in which boys and girls may be seated in a row so that no two boys are together.
MEDIUM
11th ICSE
IMPORTANT
Find the number of ways in which all the letters of the word can be arranged so that no two vowels are adjacent to each other.
MEDIUM
11th ICSE
IMPORTANT
How many words beginning and ending with a consonant can be formed by using the letters of the word
MEDIUM
11th ICSE
IMPORTANT
How many different five letter words starting with a vowel can be formed from the letters of the word
