Jameel can complete a task in 15 hours and Nasir can complete the same task in 1

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Jameel can complete a task in 15 hours and Nasir can complete the same task in 12 hours. Jameel starts the task at 9:00 am and stops working at 2:00pm. Nasir starts working on the task at 4:00 pm. At what time is the task completed?

Options:

A . 12:00 pm

B . 2:00 am

C . 12:00 am

D . 10:00 pm

Answer: Option C
JAMEEL WORKS FOR 5 HOURS. SO HE COMPLETES 5/15 = 1/3 OF THE TASK NASIR HAS TO COMPLETE 2/3RD OF THE TASK 12*2/3 = 8 HOURS ARE NEEDED. HE COMPLETES THE TASK AT 12:00 AM.

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