Find the unit’s digit in the product of 437, 82, 28, 45

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Find the unit’s digit in the product of 437, 82, 28, 45 and 47.

1. 0
2. 1
3. 2
4. 3

Correct Option: A

The unit’s digits in 437, 82, 28, 45 and 47 are 7, 2, 8, 5 and 7 respectively.
The product of 7, 2, 8, 5 and 7 = 7 × 2 × 8 × 5 × 7 = 3920
Since the unit’s digit in 3920 is 0, hence, the unit digit of
437 × 82 × 28 × 45 × 47 will also be zero.