Question

two men can do a piece of work in 3 days and 6 days respectively. if they work together, in how many days will they finish the work?

Answer 1

Answer:

hey it is in attachment .. hope it helps u

Answer 2

Concept Introduction:

The three quantities are force, displacement, and the angle between the force and displacement. In order to calculate the amount of work, three quantities must be known.

Given:

Two men can do a piece of work in $3$ days and $6$ days respectively. if they work together.

To Find:

We have to find how many days will they finish the work.

Solution:

According to question:

let, the first person’s work rate=a ;

2nd person’s work rate=b

then, $4$ days*a= work(w) —— $a=w/4$

; $6 days*b$= work$(w)$——$b=w/6$

when they work together— $(a+b)*x$ days=$w$

$(w/4 + w/6)* x$days=w—— x= $2.4$ (days)= $2$ days $9$ hours and $36$ minutes

Final Answer:

It will take $2$ days $9$ hours and $36$ minutes to complete the work.

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