Question

In how many ways 10 different books Taken 4 at that time can be arranged in an almirah such that a particular book is never taken​

Answer 1

Answer:

3 by 2

Step-by-step explanation:

the frml is (PE-1)

10 divided by 4 -1

10-4 divided by 4

6 by 4

3 by 2

therefore;

3 by 2 is the answer