A

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Q. A is thrice as good a workman as B, and takes 10 days less to do a piece of work than B takes. How many days will B take to complete, if he works alone?

  • (A) 21
  • (B) 15
  • (C) 18
  • (D) 25
  • Correct Answer - Option(B)
  • Views: 2
  • Filed under category Math
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Explanation by: Admin
1:3 3-1= 2

2= 3×10 2= 30 B can 30÷ 2 = 15 days

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