Question

19. 10 men can do a job in 15 days, 15 boys can do it in 16 days. In how many days can 5 men and 8 boys do it ?​

Answer 1

Answer:

Answer is 15 day's

Step-by-step explanation:

10M×15=15B×16

M:B=8:5

So, Total work=10×8×15

Total efficiency of 5Men and 8 Boy=5×8+8×5=80

10×8×15

So Days required= ---------------

80

= 15 day's