Advertisements
Advertisements
प्रश्न
8 women and 6 men are standing in a line. In how many arrangements will all 6 men be standing next to one another?
उत्तर
There are 6 men and 8 women.
To make all 6 men together treat them as 1 unit.
Now there are 1 + 8 = 9 persons.
They can be arranged in 9! ways.
After this arrangement the 6 men can be arranged in 6! ways.
So total number of arrangement = 9! × 6!
APPEARS IN
संबंधित प्रश्न
Evaluate 8!
How many 3-digit even numbers can be made using the digits 1, 2, 3, 4, 6, 7, if no digit is repeated?
Find r if `""^5P_r = 2^6 P_(r-1)`
Find r if `""^5P_r = ""^6P_(r-1)`
In how many of the distinct permutations of the letters in MISSISSIPPI do the four I’s not come together?
In how many ways can the letters of the word PERMUTATIONS be arranged if the there are always 4 letters between P and S?
Find x in each of the following:
Find the number of ways in which 8 distinct toys can be distributed among 5 childrens.
Three dice are rolled. Find the number of possible outcomes in which at least one die shows 5 ?
Find the total number of ways in which 20 balls can be put into 5 boxes so that first box contains just one ball ?
In how many ways can 4 prizes be distributed among 5 students, when
(i) no student gets more than one prize?
(ii) a student may get any number of prizes?
(iii) no student gets all the prizes?
Write the number of 5 digit numbers that can be formed using digits 0, 1 and 2 ?
The number of ways in which the letters of the word ARTICLE can be arranged so that even places are always occupied by consonants is
The possible outcomes when a coin is tossed five times:
The number of permutation of n different things taken r at a time, when the repetition is allowed is:
If `""^10"P"_("r" - 1)` = 2 × 6Pr, find r
8 women and 6 men are standing in a line. In how many arrangements will no two men be standing next to one another?
Choose the correct alternative:
If `""^(("n" + 5))"P"_(("n" + 1)) = ((11("n" - 1))/2)^(("n" + 3))"P"_"n"`, then the value of n are
Choose the correct alternative:
The product of r consecutive positive integers is divisible b
