Question

a labourer earns ₹156 in 3 hours. how much will earn in 7 hours

Answer 1

156/3=52
it means that in 1 hour he earned rs.52
then in 7 hours
=52*7=rs.364
answer

Answer 2

Hey!

A labourer earns in 3 hours = Rs.156
A labourer earns in 1 hour = Rs. 156/3
                                          = Rs. 52
now, labourer earns in 7 hours = 7*52
                                                  = Rs. 364