A can complete a work in ‘m’ days and B can complete it in ‘n’ days. How many days will it take to complete the work if both A and B work together ?
A can complete a work in ‘m’ days and B can complete it in ‘n’ days. How many days will it take to complete the work if both A and B work together ?
[A]
[B]
[C]
[D]
A’s 1 day’s work
B’s 1 day’s work
∴ (A + B)’s 1 day’s work
∴ Required Time
Hence option [D] is correct answer.
