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Find the smallest 3-digit number

Question: Find the smallest 3-digit number divisible by 7.
A. 105
B. 112
C. 100
D. 107

Solution:

Smallest 3-digit number is 100.
First divisible by 7:100รท7 =14 remainder 2.
Smallest =100+(7โˆ’2) = 105.

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