In how many ways five different rings can be put on four fingers with at least one ring on each finger?

Options

A. 120
B. 480
C. 240
D. 960

Explanation

To solve the problem of how many ways five different rings can be put on four fingers with at least one ring on each finger, we can follow these steps:

### Step 1: Choose Rings for Fingers
Since we need to place at least one ring on each of the four fingers, we first select 4 rings out of the 5 available rings. The number of ways to choose 4 rings from 5 is given by the combination formula:

\[ \text{Number of ways to choose 4 rings} = \binom{5}{4} \]
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