CBSE Class 11-science Answered
Permutation and combination
Asked by devendra.mittal | 23 Oct, 2009, 03:16: PM
Expert Answer
Since the number of fingers of right hand is not mentioned So we are assuming all the five fingers (including thumb) can be considered
The first ring can be worn in any of the 5 fingers.
So there are 5 ways of wearing it.
Similarly each one of the other rings can be worn in 5 ways.
Hence, the required number of ways = 5 x 5x 5 x 5 x 5x 5 x 5 x 5 = 58
Answered by | 25 Nov, 2009, 03:01: PM
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