How many numbers greater than 40000 can be formed from the digits 2,4,5,5,7 ?

Options

A. 12
B. 24
C. 36
D. 48

Explanation

To solve the problem of how many numbers greater than 40000 can be formed from the digits 2, 4, 5, 5, and 7, we can follow these steps:

### Step 1: Calculate the total number of arrangements of the digits
We have 5 digits: 2, 4, 5, 5, and 7. Since the digit '5' is repeated, we need to account for that in our arrangements.

The formula for the total arrangements of n items where there are repetitions is given by:

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