# Lock

Combination lock will open when the right choice of 3 numbers (from 1 to 25 inclusive) is selected.

A. How many different lock combinations are possible?

B. Is he combination lock named appropriately?

A. How many different lock combinations are possible?

B. Is he combination lock named appropriately?

**Result****Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):**

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#### To solve this example are needed these knowledge from mathematics:

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