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Q. Subhash can copy 50 pages in 10 hours; Subhash and Prakash together can copy 300 pages in 40 hours. In how much time can Prakash copy 30 pages?

  • (A) 13 hour
  • (B) 12 hour
  • (C) 11 hour
  • (D) 9 hour
  • Correct Answer - Option(B)
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