Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Time, Work & Distance ProblemsWork and Time
A group of five clerks has been assigned to insert 24,000 letters into envelopes. The clerks perform this work at the following rates: Clerk A, 1100 letters/hour; Clerk B, 1450 letters/hour; Clerk C, 1200 letters/hour; Clerk D, 1300 letters/hour; Clerk E, 1250 letters/hour. At the end of two hours of work, Clerks C and D are assigned to another task. From the time that Clerks C and D were taken off the assignment, the number of hours required for the remaining clerks to complete this assignment is:
- A.Less than 2 hr
- B.More than 2 hr, but less than 4 hrCorrect answer
- C.Exactly 4 hr
- D.More than 4 hr
Timed quizzes, instant results, track your progress — free
Practice these MCQs in the appQuick fact: The remaining clerks (A, B, and E) will take more than 2 hours but less than 4 hours to complete the remaining letters.