Question
Ashish and Anil can do a piece of work in 15 days and 20
days respectively. Ashish completed 60% of the work. Find the time taken by Anil to complete the remaining work.Solution
Let the total work be (LCM of 15 and 20) = 60 units Efficiency of Anil = 60/20 = 3 units/day Remaining work = 60 x 0.4 = 24 units Time taken by Anil to complete the remaining work = 24/3 = 8 days
I. 3x² + 17 x - 28 = 0
II. 3 y² -22 y + 24 = 0
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