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Question 1Asked in RRB JE CBT-1, 18 Dec 2024, Shift 1 (9:00 AM)

Write the expanded form of (6a + 2b + 7c)².

  1. A36a² + 4b² + 49c² + 28ab + 28bc + 84ac
  2. B36a² + 4b² + 49c² + 24ab + 28bc + 94ac
  3. C36a² + 4b² + 49c² + 24ab + 23bc + 84ac
  4. D36a² + 4b² + 49c² + 24ab + 28bc + 84ac
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Correct answer: (D) 36a² + 4b² + 49c² + 24ab + 28bc + 84ac

From RRB JE CBT-1 PYQ 18 Dec 2024, Shift 1 (9:00 AM)

This is question 1 of RRB JE CBT-1 PYQ 18 Dec 2024, 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.