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A four-digit number 2,5A6 is divisible by 8, where A is a single digit.
Divisibility by 8 depends on the last three digits 5A6.
What is the smallest value of A that makes 5A6 divisible by 8?

Class 6Divisibility RulesPlaying with Numbers
  • A2
  • B3
  • C4
  • D6

Step-by-Step Solution

Check 5A6 for , 1, 2, 3, ... Dividing by 8: 506, 516, 526 are not exact, but is exact. So the smallest A that works is 3 (giving 2,536, divisible by 8).
Answer: B) 3

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