NHAI employs 100 men to build a highway of 2km in 50 days working 8 hours a day. If in 25 days, they completed 1/3 part of work. than how many more employees should NHAI hire to finish it in time working 10 hours a day?
Choose the correct choice from the following answers:
A) 55
B) 60
C) 70
D) 50
E) 65
Explanation:   The given problem can be written in a tabular form like below: -   Men	Days	Hour	Work   Planned	100	50	8	1   Actual	100	25	8	1/3   Remaining	?	25	10	2/3   We can apply chain rule now.   Total men required to complete the remaining work = 100× (25/25) × (8/10) × (2/3)/ (1/3) = 160.   So additional men required = 160 - 100= 
<gadget id="calculator">160 - 100</gadget>
<output>60</output>
60.   ANSWER IS 60
<result>B</result>
NHAI employs 100 men to build a highway of 2km in 50 days working 8 hours a day. If in 25 days, they completed 1/3 part of work. than how many more employees should NHAI hire to finish it in time working 10 hours a day?