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Q. A does 20% less work than B. If A can complete a piece of work in 7 and 1/2 hours, then B can do it in ?

  • (A) 6 and 1/2 hours
  • (B) 6 hours
  • (C) 5 and 1/2 hours
  • (D) 5 hours
  • Correct Answer - Option(B)
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