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Question 2Asked in RRB JE CBT-1, 25 Feb 2026, Shift 3 (4:30 PM)

A tap can fill a cistern in 32 hours, while another tap can empty the full cistern in 64

A tap can fill a cistern in 32 hours, while another tap can empty the full cistern in 64 hours. If the cistern is initially empty and both taps are opened together, find the time (in hours) required to fill one-fourth of the cistern.
  1. A64
  2. B48
  3. C32
  4. D16
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Correct answer: (D) 16

From RRB JE CBT-1 PYQ 25 Feb 2026, Shift 3 (4:30 PM)

This is question 2 of RRB JE CBT-1 PYQ 25 Feb 2026, 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.