Question

A is twice as efficient as B and together they finish a project in 14 days. Find how many days will each require to do the same project individually​

Answer 1

Answer:

Let B take x days, then A takes x−12 days, but A is twice efficient than B, hence A will take half the time taken by B.

Hence, (x−12)=

2

1

x

∴2x−24=x

∴2x−x=24

x=24 days