Instructions
Study the following table carefully to answer these questions.
Percentage of marks obtained by six students in six subjects
Question 117
What are the average marks obtained by all the students in Subject ‘C’ ? (rounded off to the nearest integer)
Solution
Percentage marks obtained by all the students in Subject ‘C’
= 58 + 67 + 72 + 82 + 64 + 75 = 418%
=> Average = $$\frac{418}{6} \% = 69.66 \%$$
Max marks in subject C = 80
$$\therefore$$ Average marks obtained by all the students in Subject ‘C’ = 69.66 % of 80
= $$\frac{69.66}{100} \times 80$$
= $$55.72 \approx 56$$
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