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A number leaves remainder 8 when divided by 11. What remainder is left when three times the number is divided by 11?

Competition practiceNumber System, HCF & LCM
  • A2
  • B8
  • C3
  • D5

Step-by-Step Solution

The number is 11k + 8, so three times it is 33k + 24 = 11(3k + 2) + 2, leaving remainder 2.
Answer: A) 2

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