Question

If krischal do 1 work in 10 days and biplav do that work in 20 days . How many days does they need to do work that work if they do that work together ?​

Answer 1

Answer:

krischal do work in = 10 days

that work by biplav = 20 days

if they do work together =?

$10 + 20 = 30$

30 days