Question
The digit in unit's place of the product 81 x 82 x … x 89 is:
Answer: Option A
- Required digit = Unit digit in (1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9) = 0
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- Required digit = Unit digit in (1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9) = 0
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