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RRB NTPC 2025 · Question 53 of 409

A group of 30 students has secured the average marks of 70 and another group of 20 students has secured the average marks of 80. What is the average marks secured by students of both the groups taken together?

  1. A72
  2. B74
  3. C76
  4. D78Correct

Answer: D. 78

Official answer key verified. Detailed explanation coming soon.

Source: RRB NTPC Graduate CBT-2 response sheet 13-Oct-2025 Shift-1 (candidate-shared copy of official answer-key viewing) · official-answer-key

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