NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 3: Data Handling - Problems and Solutions
Question 75

Question. 75

Study the bar graph given below and answer the questions that follow:

(a) What information is depicted from the bar graph?
(b) In which subject is the student very good?
(c) Calculate the average marks of the student.
(d) If 75 and above marks denote a distinction, then name the subjects in which the student got distinction.
(e) Calculate the percentage of marks the student got out of 500.

Answer:

(a) Marks obtained by a student in different subjects
(b) Maths
(c) 68.2
(d) Hindi, Maths
(e) 68.2%

Detailed Answer with Explanation:

(a) Graph shows marks in 5 subjects.
(b) Highest = Maths (82).
(c) Total = 341, Average = 341/5 = 68.2.
(d) ≥75 → Hindi(75), Maths(82).
(e) Percentage = (341/500)×100 = 68.2%.

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NCERT Exemplar Solutions Class 7 – Mathematics – Unit 3: Data Handling – Problems and Solutions | Detailed Answers