Ten cards numbered 1 to 10 are placed in a box, mixed up thoroughly and then one card is drawn randomly. If it is known that the number on the drawn card is more than 3, what is the probability that it is an even number?

Explanation

To solve the problem step by step, we will define the events and calculate the required probability.

### Step 1: Define the Events
Let:
- Event A: The number on the drawn card is an even number.
- Event B: The number on the drawn card is more than 3.

### Step 2: Identify the Total Outcomes
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