The number of ways in which four letters...

The number of ways in which four letters can be put in four addressed envelops so that no letter goes into envelope meant for it is

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

PERMUTATIONS & COMBINATIONS
AAKASH SERIES|Exercise EXERCISE-II|229 Videos
PERMUTATIONS & COMBINATIONS
AAKASH SERIES|Exercise PRACTICE EXERCISE|163 Videos
PERMUTATIONS & COMBINATIONS
AAKASH SERIES|Exercise ADDITIONAL EXERCISE|50 Videos
PARTIAL FRACTIONS
AAKASH SERIES|Exercise PRACTICE EXERCISE|31 Videos
PROBABILITY
AAKASH SERIES|Exercise Practise Exercise|165 Videos

Similar Questions

Explore conceptually related problems

Find the number of ways in which 4 letters can be put in 4 addressed envelopes so that no letter goes into the envelope meant for it.

The number of ways in which 10 letters can be posted in 5 letter boxes is

The number of ways in which five different letters can be put in their five addressed envelopes so that all the letters are in the wrong envelopes is

The number of ways of 5 letters put in 5 addressed envelopes so that one letter is in right envelop and all the remaining are placed in wrong envelopes is

There are 3 letters and 3 addressed envelopes coorresponding to their . The number of ways in which the letters be placed in the envelopes so that no letter is in the right envelope is

Suppose that 'n' letters are written to 'n' different persons and their addresses are written on 'n' different envelops. Find the number of ways in which these letters can be put in the envelopes (one in each) such that atleast one letter does not go into the corresponding envelope.

The number of ways in which the letters of ‘ARRANGE' be arranged so that Two R's come together is

Ravish writes letters to his five friends and addresses the corresponding envelopes. The number of ways can the letters be placed in the envelopes so that at least two of them are in the wrong envelopes is

AAKASH SERIES-PERMUTATIONS & COMBINATIONS-EXERCISE-I

The sum of all the numbers formed by taking all the digits from 2, 3, ...
Text Solution
|
There are 3 letters and 3 addressed envelopes coorresponding ...
Text Solution
|
The number of ways in which four letters can be put in four addressed ...
Text Solution
|
The positive integer r, such that ""^(15)C(3r)=""^(15)C(r+3) is equal ...
Text Solution
|
n and r integers such that 1lerlen, then n. ""^(n-1)C(r-1) is
Text Solution
|
If ""^(n)C(3)=10, then n is
Text Solution
|
If ""^(n)C(r) denotes the number of combinations of n things taken r t...
Text Solution
|
If ""^(8)C(3)+""^((n+2))C(4)=""^(9)C(4), then n is
Text Solution
|
IF C (2n, 3) : C (n,2) = 12 : 1, then n=
Text Solution
|
The number of ways in which a team of 6 players can be chosen from 11 ...
Text Solution
|
The number of diagonals in a polygon of 10 sides is
Text Solution
|
If these are 8 points on a circle, then number of different line seg...
Text Solution
|
If these are 8 points on a circle, Number of triangles formed by joi...
Text Solution
|
There are 10 parallel lines intersected by a family of 5 parallel line...
Text Solution
|
The number of rectangles formed in a chess board is
Text Solution
|
Assuming the balls to be identical except for difference in colours, t...
Text Solution
|
Numbar of different sums that can be formed with half rupee coin, a tw...
Text Solution
|
a man has 4 friends , in how many ways can he inivite one or ...
Text Solution
|
The number of divisors of 7! is
Text Solution
|
The sum of divisors of 2 ^5 3^4 5^3 is
Text Solution
|