Elitmus Exam Numerical Ability Time and Work

A gang of labourers do a piece of work in 10 days, but five of them became absent and so the rest do the work in 12 days.Find the original numbers in the gang?

Read Solution (Total 2)

Let the no of labourers be x
so
x*10=(x-5)*12
x=30
10 years agoHelpfull: Yes(24) No(1)

X:X-5::12:10,
X=30.
10 years agoHelpfull: Yes(4) No(0)

Elitmus Other Question

Three persons A,B and C rent the grazing of the park for Rs 570. A put 126 oxen in the park for 3 months, B puts in 162 oxen in the park for 5 months and C puts in 216 oxen in the park for 4 months. What part of rent should B pay? A can do as much work as C in 2 days and C does in 3 days as much work as B in 4 days. What time B would require to do a work which A can do in 16 weeks?