Question

.. If 3 men or 6 boys can finish a work in 20 days,
how long will 4 men and 12 boys take to finish
the same work ?
​

Answer 1

Answer:

6 days

Step-by-step explanation:

The work can be completed in 20 days by 3 men or 6 boys.

Hence the capacity of 3 men = the capacity of 6 boys.

Hence if 4 men and 12 boys do the work together, than it is equivalent to,

4 + 6 = 10 men

Now the work quantum = 3 *20 = 60

Hence if now equivalent to 10 men are doing the work, then

No. of days = 60/10 = 6