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

  • \begin{aligned} 7\frac{1}{2}days \end{aligned}
  • \begin{aligned} 6\frac{1}{2}days \end{aligned}
  • \begin{aligned} 5\frac{1}{2}days \end{aligned}
  • \begin{aligned} 4\frac{1}{2}days \end{aligned}
Similar Questions :

1. A is twice as good as workman as B and together they finish a piece of work in 18 days. In how many days will B alone finish the work.

  • 27 days
  • 54 days
  • 56 days
  • 68 days

2. A can do a certain job in 25 days which B alone can do in 20 days. A started the work and was joined by B after 10 days. The number of days taken in completing the wotk were ?

  • \begin{aligned} 14\frac{2}{3}kmph \end{aligned}
  • \begin{aligned} 15\frac{2}{3}kmph \end{aligned}
  • \begin{aligned} 16\frac{2}{3}kmph \end{aligned}
  • \begin{aligned} 17\frac{2}{3}kmph \end{aligned}

3. A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work ?

  • 5 days
  • 6 days
  • 7 days
  • 8 days

4. Rahul and Sham together can complete a task in 35 days, but Rahul alone can complete same work in 60 days. Calculate in how many days Sham can complete this work ?

  • 84 days
  • 82 days
  • 76 days
  • 68 days

5. Worker A takes 8 hours to do a job. Worker B takes 10 hours to do a job. How long should it take both A and B, working together to do same job.

  • \begin{aligned} \frac{4}{9} \end{aligned}
  • \begin{aligned} 2\frac{4}{9} \end{aligned}
  • \begin{aligned} 3\frac{4}{9} \end{aligned}
  • \begin{aligned} 4\frac{4}{9} \end{aligned}
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  • Bank Wale Babu???????????? 8 years ago

    Hd ho gyi bc..