Home
Class 12
MATHS
The number of ways of arranging n (gt 2)...

The number of ways of arranging n (`gt` 2) distinct objects in a line so that two particular objects are never together is

A

`(n-2)!^(n-1)P_(2)`

B

n!-(2(n-1))!

C

2(n-1)!

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A, B
Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS AND COMBINATIONS

    MTG-WBJEE|Exercise WB JEE Previous years questions (Category 1 : Single option correct type)|10 Videos

  • PERMUTATIONS AND COMBINATIONS

    MTG-WBJEE|Exercise WB JEE Previous years questions (Category 2 : Single option correct type)|4 Videos

  • PERMUTATIONS AND COMBINATIONS

    MTG-WBJEE|Exercise WB JEE WORKOUT (CATEGORY 2 : SINGLE OPTION CORRECT TYPE)|15 Videos

  • MODEL TEST PAPER 3

    MTG-WBJEE|Exercise CATEGORY 3 : One or More than One Option Correct Type|10 Videos

  • PRINCIPLE OF MATHEMATICAL INDUCTION

    MTG-WBJEE|Exercise WB JEE PREVIOUS YEARS QUESTIONS|4 Videos

Similar Questions

Explore conceptually related problems

The number of ways of arranging n(gt2) distinct objects in a line so that two particulars objects are never together is

The number of ways of arranging m white and n black balls in a row (mgtn) so that no two black are placed together, is

Let N denote the number of ways in which n boys can be arranged in a line so that 3 particular boys are seperated then N is equal to

Find the number of ways of selecting 3 pairs from 8 distinct objects.

Show that the number of ways in which n books may be arranged on a shelf so that two particular books shall not be together is (n-2)(n-1)!

The number of ways in which n distinct objects can be put into two different boxes, is