Question : Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows.
If the total marks obtained by students are represented as a pie chart, then the central angle corresponding to marks 250 or more but less than 300 is: (correct to the nearest degree)
Option 1: 188°
Option 2: 88°
Option 3: 68°
Option 4: 128°
Correct Answer: 88°
Solution : According to the question ⇒ Total students = 30 + 45 + 60 + 35 + 35 + 40 + 35 = 245 students The total central angle in a pie chart is 360 degrees Now, ⇒ 1 student corresponds to $\frac{360º}{245}$ Since 60 students got the marks more than 250 but less than 300. So, 60 students corresponds to $\frac{360º}{245}$ × 60 = 88º Hence, the correct answer is 88º.
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If the total marks obtained by students are represented as a pie chart, then the central angle of the sector representing maks 200 or more but less than 300, is: (correct to the nearest degree)
Option 1: 128o
Option 2: 154o
Option 3: 68o
Option 4: 88o
Question : Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows. The number of students who obtained less than 250 marks is what percentage more than the number of students who obtained 400 or more marks? (correct to one decimal place)
Option 1: 150%
Option 2: 175.8%
Option 3: 114.3%
Option 4: 100%
The number of students who obtained less than 250 marks is:
Option 1: 135
Option 2: 75
Option 3: 30
Option 4: 45
Question : Study the pie-chart carefully and answer the questions. What is the central angle corresponding to the total expenditure, expenditure on education in the given figure?
Option 1: 55.8°
Option 2: 55.2°
Option 3: 52°
Option 4: 42°
Question : Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows. The number of students who obtained less than 200 marks is:
Option 1: 75
Option 2: 30
Option 3: 45
Option 4: 135
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