Teaching KVS Junior Secretariat Assistant (LDC) Mock Test 2022 Quantitative Aptitude Time and Work

Person A takes 28 hours to complete a work. Person B completes the same work in one-fourth of the time taken by A. If the two persons work together; in how much time will the work be completed?

1

5 h 36 min

2

5 h

3

5 h 30 min

4

6 h 36 min

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