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Using the divisibility rule for 11, pick the number that 11 divides exactly.

Competition practiceNumber & Arithmetic
  • A2453
  • B2435
  • C3254
  • D4352

Step-by-Step Solution

Test for 11: alternating digit sum. For 2453: 2 − 4 + 5 − 3 = 0, which is divisible by 11. The others give −4 (2435), 2 (3254) and 4 (4352), so none of them is divisible by 11.
Answer: A) 2453

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