Q. 35.0( 1 Vote )

# In how many ways 4 women draw water from 4 taps, if no tap remains unused?

1st woman can draw water from anyone of the 4 taps.

Now, as, it is given, that, no tap should remain unused so, 2nd woman can draw water from any of the remaining 3 taps.

Similarly, 3rd women can draw water from any of the remaining 2 taps.

And, 4th woman have to draw water from the remaining 1 tap.

As, the operations are dependent, so, total number of ways

= 4!

Alternative Approach:

The number of permutations of 4 objects taken 4 at a time is = 4P4 = 4!.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Circular permutations61 mins
Challenging Quiz on P&C | Test Yourself55 mins
Permutations & Combinations | Analyze your learningFREE Class
Understand Permutations like never before60 mins
Check Your progress Part 2| Interactive Quiz: Permutation & CombinationFREE Class
Lecture on Combinations49 mins
Interactive Quiz on Division and distribution of objects17 mins
Interactive Quiz on Combinations-0253 mins
Interactive Quiz on Combinations50 mins
Division and distribution of objects58 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses