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Number System Practice Test 2
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© examsnet.com
Question : 31
Total: 40
The digit in unit's place of the product 81 × 82 × .... × 89 is—
8
6
2
0
Validate
Solution:
Required digit = digit in unit place in (1 × 2 × 3 × 4 × 5 × 6 × 7 × 8 × 9) = 0
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