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Q. A candle of 6 cm long burns at the rate of 5 cm in 5 hour and an another candle 8 cm long burns at the rate of 6 cm in 4h. What is the time required to each candle to remain of equal lengths after burning for some hours, when they starts to burn simultaneously with uniform rate of burning?

  • (A) 1 hours
  • (B) 1.5 hours
  • (C) 2 hours
  • (D) 4 hours
  • Correct Answer - Option(D)
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