Question

if 13 men can do a pieceof work in 140 days . in how many days 28 men will do it . how many men will be requiredto completethe work in 35 days in direct or inverse variation form

Answer 1

if 13 men can do work in 140 days,
then 28 men will do it in,
by work formula :m1×d1=m2×d2
13×140=28×d2
d2=13×140/28
d2=13×5=65days
same,
m1×d1=m2×d2
13×140=m2×35
m2=13×140/35
m2=13×4=52men

Answer 2

The answer is 52
It 52 men to do it