Algorithms Quiz | Sudo Placement [1.5] | Question 3

A task is assigned to Ram and Shyam both but Ram was on leave for starting 5 days. After that both finished the same work in 10 days. If Shyam can finish the work in 12 days alone then how many days will Ram take alone to complete the task?
(A) 30 days
(B) 60 days
(C) 90 days
(D) 120 days

Answer: (C)
Explanation: 5 / x + (1 / 12 + 1 / x ) * 10 = 1
15 / x = 1 – 10 / 12
x = 90 days.
So, option (C) is correct.
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