Question

Q7. 4 men and 6 boys can finish a piece of work in 5 days while 3 men and 4
boys can finish it in 7 days. Find the time taken by 1 man alone or than by 1
boy alone.​

Answer 1

Step-by-step explanation:

(4men+ 6boy)×5=(3men+4boy)×7 ....(1)

by solving this equation

1 men=2 boy

men/boy =1/2

put equation (1)

total work = (4×1+6×2)×5=80

men alone work= 80/1 =80

boy alone work = 80/2=40