Question

akash is 3 time as good a workman of baldev and therfore is able to finish a job in 40days less than baldev working toghtther they can finish it in.

Answer 1

aakash se baldev 3 guna kam ko karta ha to 1/40

when two person then 2/40

and so, 40/2❌3

40ko 2 se cut it and remain 20 ❌3 = 60 hrs