Comprehension Passage
Direction: The following bar graph shows the number of hours taken by 8 difference people complete a work on their own in daytime (7am to 7pm) and night-time (7pm – 7am).
If Q and T started working at 5 pm. While working together, their efficiency dropped by 4%, they worked for 2 hours and remaining work is completed by T alone working continuously with full of his efficiency. How many hours will T take to complete the remaining work?
1
2.7 hrs
2
8.5 hrs
3
5.6 hrs
4
9 hrs
5
8.4 hrs