Multiple choice

PIN is

  1. A Very confidential number

  2. A open number

  3. A product

  4. All of these

  5. None of these
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A Correct answer
Explanation

A PIN (Personal Identification Number) is a confidential numeric code used to verify the identity of a cardholder. It must be kept secret and never shared, as anyone with your PIN can access your account. The term 'confidential number' correctly describes the secret nature of a PIN.

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