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Question 41Asked in RRB JE CBT-1, 19 Feb 2026, Shift 3 (4:30 PM)

A and B can complete a work in 15 days and 10 days, respectively. They started doing

A and B can complete a work in 15 days and 10 days, respectively. They started doing the work together but after 4 days, B had to leave, and A completed the remaining work alone. The entire work was completed in ______________ days.
  1. A10
  2. B9
  3. C5
  4. D6
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Correct answer: (B) 9

From RRB JE CBT-1 PYQ 19 Feb 2026, Shift 3 (4:30 PM)

This is question 41 of RRB JE CBT-1 PYQ 19 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.