A

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Q. A man can do a piece of work in 5 day, but with the help of his son, he can do it in 3 days. In what time can the son do it alone ?

  • (A) 7 days
  • (B) 8 days
  • (C) 7½ days
  • (D) 8½ days
  • Correct Answer - Option(C)
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