GATE 2020 PI – Question 8

General Aptitude · Quantitative Aptitude: Data Interpretation, Arithmetic and Number Computation · 2 marks · Multiple choice

52 workers can complete a highway strip in10 days.12 are sent elsewhere before the work begins. With unchanged individual productivity, how many extra days are needed?

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Correct answer: (A) 3

Explanation

The work is52×10=520 worker-days. With40 workers it takes520/40=13 days. Extra time is13−10=3 days, A. The question requests additional days, not the new total duration.

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