First slide

Permutations

Question

The number of permutations of the letters a, b, c, d such that b does not follow a, c does not follow b, and d does not follow c, is

Moderate

A

12
B

14
C

13
D

11

Solution

∴ Total number of ways = 11.

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App