Multiple choice

Passage

Directions: Read the following information carefully and answer the question given below. Average Marks by Students of Different Grades in Different Subjects Grade / Subject English Hindi Geography Maths Physics Grade 1 75 76 58 72 86 Grade 2 65 84 84 74 78 Grade 3 87 48 94 88 82 Grade 4 53 76 89 58 84 Grade 5 49 84 64 59 79 Grade 6 59 74 38 91 47 Grade 7 81 85 69 68 76

What are the average marks in Physics scored by all the seven grades?

  1. 75.4

  2. 72.5

  3. 73

  4. 76

  5. 77
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D Correct answer
Explanation

Sum of physics marks: 86 + 78 + 82 + 84 + 79 + 47 + 76 = 532. Average = 532 / 7 = 76.

AI explanation

Using the basic average formula, add the Physics scores of all seven grades: 86 + 78 + 82 + 84 + 79 + 47 + 76, which totals 532. Divide this total by the number of grades, 7, to find the overall average. The result is 76.

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