Question

8 men and 12 boys can finish a piece of work in 10 days while 6 men and 8 boys can finish it in 14 days find the time taken by one man alone and one boy alone to finish the work by cross multiplication method​

Answer 1

Ek hi kaam ko baar baar kyu karna xd

Answer 2

Answer:

By Cross multiplication, we get

-1 120 112 84 - 80 8960 - 10080 V -1 介

u

V

u 8

4 1120 1 140 1 280 -8 -1120 -4 -1120 1

Now u = 1 140 1 х » x = 140

New v =

280

1 y = 280

y

Thus one man alone can finish work in 140 days and one boy alone can finish work in 280 days