Time and Work

Question

<Q>.Manoj takes twice as much time as Ajay and thrice as much as Vijay to finish a piece of work .Together they finish the work in 1 day.What is the time taken by Manoj to finish the work?

  <a>.6 days             <b>.3 days

  <c>.2 days             <d>.none

Answer 1

Manoj takes twice as much time as Ajay and thrice as much as Vijay

Manoj takes x days ,Ajay takes x / 2  days and vijay takes x / 3  days

together they work then finished in 1 day

1 / x + 2 / x + 3 / x = 1

6 / x = 1  

x = 6

So, manoj takes 6 days to complete work.

Comments

if we suppose to solve the question by two variables then what would the solution be like ,can u help????