In your bookshelf, you have five favorite books. If you decide to arrange these five books in every possible combination and moved just one book in every half a minute. How much time it will take you to arrange?
A. 3 hours.
B. 1 hours.
C. 2 hours.
D. 30 minutes.
Answers
Answered by
8
None of these.............
Answered by
9
Answer:
1 Hour
Step-by-step explanation:
5 books can be arrange ∠5=5*4*3*2*1=120
1 time arrange required time = 1/2 minute
120 arrange=1/2 *120=60 Minute = 1 Hour
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