3. Arushi and Devesh are making a painting. Arushi can complete the pa – InterviewSolution

1.	3. Arushi and Devesh are making a painting. Arushi can complete the painting in 30 minutes. BothArushi and Devesh can complete the painting together in 20 minutes. They work together for 10minutes and they have a quarrel. At this point, Arushi goes away. In how many minutes will Deveshfinish the painting?4
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