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Number System Practice Test 2
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© examsnet.com
Question : 39
Total: 40
If the unit place digit of the product of 792 × 39 × 43 × 34 × * × 17 is 8, then the digit in place of * will be:
2
6
9
5
8
Validate
Solution:
The unit place digit is the product of 2 × 9 × 3 × * × 7.
The unit place digit of 2 × 9 × 3 × 7 is 8.
So, when 8 is multiplied by 6, then the unit place digit will be 8.
So, * = 6.
© examsnet.com
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