Direction (Qs.1-5): The following data shows the working hours for three employees in week days to complete a task. The working hours also indicates the time taken by them to complete the same task alone. Read the following questions and answer carefully.
Question No : 1
On Thursday, A was supposed to complete the task in time. Due to illness, he stopped when only one-third of the task was complete. Half of the remaining work was competed by B alone and rest by C alone. Find the total time taken by them to compete the task.
Question No : 2
What is the ratio of total work hour of A and C together throughout the week to that of B throughout the week?
(1) 7 : 5
(2) 73 : 31
(3) 31 : 13
(4) 37 : 15
(5) 74 : 33
Question No : 3
What is the difference between average of working hours of A on Monday and Saturday together and average of working hours B on Friday and Saturday together?
(1) 0
(2) 1
(3) 0.5
(4) 2
(5) 2.5
Question No : 4
On Tuesday, If A takes half the working hour time to complete a work while B takes equal time as A and C takes 50% more time to complete the same work alone. What will be the ratio of their working efficiency to complete a work?
(1) 7 : 7 : 18
(2) 7 : 18 : 18
(3) 18 : 18 : 7
(4) 18 : 7 : 18
(5) 9 : 9 : 4
Question No : 5
Working hours on Friday by A, B and C are the time taken by them to complete a work alone. How much time will they take to complete thrice the same work working together?