9 men can do a piece of work in 21 days. The number of men required to complete the same work in 3 days is:
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Correct answer: (D) 63
From RRB JE CBT-1 PYQ 18 Dec 2024, Shift 3 (4:30 PM)
This is question 57 of RRB JE CBT-1 PYQ 18 Dec 2024, Shift 3 (4:30 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.