MEDIUM
11th CBSE
IMPORTANT
Earn 100

In how many ways 9 examinations papers be arranged so that the best and worst papers are never together? 

50% studentsanswered this correctly

Important Questions on Permutations and Combinations

MEDIUM
11th CBSE
IMPORTANT
Golden MATHEMATICS CLASS 11>Chapter 7 - Permutations and Combinations>SELF EVALUATION TEST>Q 10
If 22Pr+1:20Pr+2=11:52, find r
MEDIUM
11th CBSE
IMPORTANT
Golden MATHEMATICS CLASS 11>Chapter 7 - Permutations and Combinations>OBJECTIVE TYPE QUESTIONS>Q 1
Everybody in a room shakes hands with everybody else. The total number of handshakes is 66. The total number of persons in the room is 
MEDIUM
11th CBSE
IMPORTANT
Golden MATHEMATICS CLASS 11>Chapter 7 - Permutations and Combinations>OBJECTIVE TYPE QUESTIONS>Q 2
The number of words which can be formed using the letters of the word ARTICLE, so that vowels occupy even places? 
MEDIUM
11th CBSE
IMPORTANT
Golden MATHEMATICS CLASS 11>Chapter 7 - Permutations and Combinations>OBJECTIVE TYPE QUESTIONS>Q 3
The number of parallelograms that can be formed from a set of 4 parallel lines intersected by another set of 3 parallel lines is 
EASY
11th CBSE
IMPORTANT
Golden MATHEMATICS CLASS 11>Chapter 7 - Permutations and Combinations>OBJECTIVE TYPE QUESTIONS>Q 4
If C12n=nC8, then n is 
HARD
11th CBSE
IMPORTANT
Golden MATHEMATICS CLASS 11>Chapter 7 - Permutations and Combinations>OBJECTIVE TYPE QUESTIONS>Q 5
A five digit number divisible by 3 is to be formed using the digits 0, 1, 2, 3, 4, and 5 without repetition. Total number of ways this can be done is
MEDIUM
11th CBSE
IMPORTANT
Golden MATHEMATICS CLASS 11>Chapter 7 - Permutations and Combinations>OBJECTIVE TYPE QUESTIONS>Q 6
The Number of ways in which a committee can be chosen from four men and six women so that the committee includes two men and exactly twice as many women as men is 
EASY
11th CBSE
IMPORTANT
Golden MATHEMATICS CLASS 11>Chapter 7 - Permutations and Combinations>OBJECTIVE TYPE QUESTIONS>Q 7
The number of ways in which a team of 11 players can be selected from 22 players always including 2 of them and excluding 4 of them is 

Note: The question has some grammatical error in the book. I have made the change according to the requirement.