J

Jitendra Singh • 7.50K Points
Tutor III Math

Q. X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?

  • (A) 6 days
  • (B) 10 days
  • (C) 15 days
  • (D) 20 days
  • Correct Answer - Option(B)
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  • Filed under category Math

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