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When a number is divided by a certain divisor, the remainder is 43. When twice the number is divided by the same divisor, the remainder is 9. Find the divisor.

Competition practiceNumber System, HCF & LCM
  • A34
  • B77
  • C86
  • D52

Step-by-Step Solution

Twice the remainder is 86, which exceeds the divisor and leaves 9: divisor .
Answer: B) 77

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