In how many different ways can four books A, B, C and D be arranged one above another in a vertical order such that the books A and B are never in continuous position ?

 In how many different ways can four books A, B, C and D be arranged one above another in a vertical order such that the books A and B are never in continuous position ?

A). 9

B). 12

C). 14

D). 18

---

Join Telegram Group

Answer This Question
Name:
Email:
Answer :
Sum of (1+5)
Submit:

Other Questions

1.  In how many ways can the letter of the word ' civilization' be arranged ?

2. The number of 5 digit numbers having their at least one of  digit repeated is :

3.  For a group photograph, 3 boys and 4 girls stand in a line in all possible ways. How many photos could be taken if each photo corresponds to each such arrangement?

4.  In how many different ways can the letters 'DETAIL' be arranged in such a way that the vowels occupy only the odd positions

5.  Find the value of 3p1?

6.  5 children are to be seated on one bench. In how many ways can it be done?

7.  In how many ways can 5 different toys be packed in 3 identical boxes such that no box is empty, if any of the boxes may hold all of the toys ?

8.  In a hockey championship, there are 153 matches played. Every two team played one match with each other. The number of teams participating in the championship is:

9.  A team of 8 students goes on an excursion, in two cars, of which one can seat 5 and the other only 4. In how many ways can they travel?

10.  In how many different ways can the letters of the word 'TROUBLE' be arranged?