Question 795237
 If a group of 24 men working 8 hrs a day can complete building a wall in 12 days
Find the man-hrs required to complete the job
24*8*12 = 2304
:
 then in how many days 16 men working 6 hrs a day can complete 3 such walls?
Let d = no. of days required
16*6*d = 3(2304)
96d = 6912
d = 6912/96
d = 72 days