Question

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WOIA WIulwal water.
Ruma and Rohit can complete a work in 20 days, Rohit and Sobha can complete that
work in 15 days. Let's calculate in how many days they will complete the work together.​

Answer 1

Answer:

Days Rima and rohit take=20

days rohit and shobtha take =15

Step-by-step explanation:

HCF OF 20,15

20=2×2×5

15=3×5

THEREFORE , all three will take 5 days together to do the work