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If there are 5 perids in each working...

If there are 5 perids in each working day of a school , then the number of ways that you can arrage 4 subjects during the working day is

A

180

B

220

C

240

D

125

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-PERMUTATIONS & COMBINATIONS-EXERCISE 1B (COMBINATIONS )
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