8 men can dig a pit in 20 days. If a man works one and a half as much again as a boy, then 4 men and 8 boys can dig it in
A
10days
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
12days
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
15days
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
16days
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is B16days fromthegivendataworkdonebymen=1+12workdonebyboy=1So,ratioofworkdonebymanandboy=3:2Now,Totalwork=8×3×20Now,4men+9Boy=4×3+9×2=12+18=30Hence,No.ofdays=8×3×2030=16daysHence,optionDisthecorrectanswer.