Question

17. Ratio of the respective earnings of a man, a woman and a boy is 4:3:2. If they are paid
in proportion to their rates of work, how many days would a boy alone take to
complete the work, given that all the three together complete the work in 16 days?
a) 144 days b) 72 days
c) 36 days d) None of these​

Answer 1

Answer:

let these numbers be 4x+3x+2x=72

9x=72

=8

= 8*4+8*3+8*2

= 32+24+16

=72 days