Question

$45$ men working $8$ hours a day can finish a project within a given time. Five men are unable to report for the work. How long should the rest work a day to finish the project on time.

• A. $10hrs$
• B. $12hrs$
• C. $9hrs$
• D. $8hrs$

Answer 1

The correct option is C $9hrs$

Total Work Hours are

$\Rightarrow 45\times 8$

When $5$ Do not Report ,then Only $45-5=40$ men will remain

So Now, Let us Assume the No of Hours be$H$ they now have to work to finish the project

$\Rightarrow 40\times H=45\times 8$

$\Rightarrow H=9$

Therefoe Answer is $\left(C\right)$