CBSE Class 11-science Answered
In how many ways 5 rings of different types can be worn in 4 fingers?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
The first ring can be worn in any of the 4 fingers.
So there are 4 ways of wearing it.
Similarly each one of the other rings can be worn in 4 ways.
Hence, the required number of ways = 4 x 4 x 4 x 4 x 4 = 45
Answered by | 04 Jun, 2014, 03:23: PM
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