CBSE Class 11-science Answered
Twelve students compete in a race. In how many ways can the first three places be taken?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
No. of students = 12
No. of ways can the first three places is taken is equal to No. of ways of arranging 12 students taking 3 at a time.
Answered by | 04 Jun, 2014, 03:23: PM
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