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- Raju can complete a work in 30 days.
Question 1:
Raju can complete a work in 30 days. Ajay completes the same work in 20 days. They both started the work Raju left the work after some days. Ajay completed the remaining work in 15 days.Then after how many days Raju left the work?
A. 4 days
B. 5 days
C. 3 days
Feedback (x/30) + (x/20) + (15/20) = 1
(2x + 3x)/60 = 1 - (15/20)
5x/60 = (20 - 15)/20
5x/60 = 5/20
x/3 = 1
x = 3 days
After 3 days
(2x + 3x)/60 = 1 - (15/20)
5x/60 = (20 - 15)/20
5x/60 = 5/20
x/3 = 1
x = 3 days
After 3 days
D. 6 days
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