A school has two sections A and B with 30 and 40 students respectively. The average marks of section A in the mathematics examination are 75, while the average marks of section B are 80. Find the average marks of the whole class (rounded to two decimal places).

Subject: Mathematics | Topic: Arithmetic | Difficulty: MEDIUM

Options

  1. (A) 78.53
  2. (B) 79.57
  3. (C) 77.86
  4. (D) 76.54

Verified Answer

Option (C): 77.86


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