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Question 15Asked in RRB JE CBT-1, 19 Feb 2026, Shift 1 (9:00 AM)

Coal is primarily formed from:

  1. ARemains of animals preserved in rocks
  2. BLava flows from volcanoes
  3. CMineral deposits in the Earth
  4. DLayers of dead plants compressed over millions of years
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Correct answer: (D) Layers of dead plants compressed over millions of years

From RRB JE CBT-1 PYQ 19 Feb 2026, Shift 1 (9:00 AM)

This is question 15 of RRB JE CBT-1 PYQ 19 Feb 2026, Shift 1 (9:00 AM). 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.