Zara has forgotten her 4-digit PIN code.

Mathematics

1 answer:

Greeley [361]1 year ago

7 0

Step-by-step explanation:

1st digit : 1 / 2 / 4 / 5

4th digit : 0 / 2 / 4 / 6 / 8

Total number of sets = 4 * 10 * 10 * 5 = 2000.

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