EASY
11th West Bengal Board
IMPORTANT
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In how many ways can 4 letters be posted in 3 letter boxes?

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Important Questions on Permutations and Combinations

EASY
11th West Bengal Board
IMPORTANT
WBCHSE Mathematics for Class 11>Chapter 7 - Permutations and Combinations>EXERCISE 5F>Q 12
In how many ways can 5 prizes be distributed among 4 students, when each student may receive any number of prizes? [Write your answer in four digits]
EASY
11th West Bengal Board
IMPORTANT
WBCHSE Mathematics for Class 11>Chapter 7 - Permutations and Combinations>EXERCISE 5F>Q 13
How many natural numbers less than 1000 can be formed from the digits 0, 1, 2, 3, 4, 5 when a digit may be repeated any number of times?
EASY
11th West Bengal Board
IMPORTANT
WBCHSE Mathematics for Class 11>Chapter 7 - Permutations and Combinations>EXERCISE 5F>Q 14
A boy has 6 pockets. In how many ways can he put 5 marbles in his pocket?  [Write your answer in four digits]
EASY
11th West Bengal Board
IMPORTANT
WBCHSE Mathematics for Class 11>Chapter 7 - Permutations and Combinations>EXERCISE 5G>Q 1
In how many ways can 6 persons be arranged in a line?
EASY
11th West Bengal Board
IMPORTANT
WBCHSE Mathematics for Class 11>Chapter 7 - Permutations and Combinations>EXERCISE 5G>Q 1
In how many ways can 6 persons be arranged in a circle?
EASY
11th West Bengal Board
IMPORTANT
WBCHSE Mathematics for Class 11>Chapter 7 - Permutations and Combinations>EXERCISE 5G>Q 2
There are 5 men and 5 ladies to dine at a round table. In how many ways can they seat themselves so that no two ladies are together?
EASY
11th West Bengal Board
IMPORTANT
WBCHSE Mathematics for Class 11>Chapter 7 - Permutations and Combinations>EXERCISE 5G>Q 3
In how many ways can 11 members of a committee sit at a round table so that the secretary and the joint secretary are always the neighbours of the president?
EASY
11th West Bengal Board
IMPORTANT
WBCHSE Mathematics for Class 11>Chapter 7 - Permutations and Combinations>EXERCISE 5G>Q 4
In how many ways can 8 persons be seated at a round table so that all shall not have the same neighbours in any two arrangements?