RS Aggarwal solution class 8 chapter 24 Pie Charts Exercise 24B

Exercise 24B

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Q1 | Ex-24B | Class 8 | RS AGGARWAL | chapter 24 | Pie Charts

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Question 1:

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A man's monthly salary is Rs 2400 and his monthly expenses on travel are Rs 250. The central angle of the sector representing travel expenses in the pie chart would be
(a) 30°
(b) $37\frac{1}{2}°$
(c) 45°
(d) 60°

Answer 1:

(b) $37\frac{1}{2}°$

                                                             

Q2 | Ex-24B | Class 8 | RS AGGARWAL | chapter 24 | Pie Charts

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Question 2:

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If 35% of the people residing in a locality are Sikhs then the central angle of the sector representing the Sikh community in the pie chart would be
(a) 108°
(b) 115°
(c) 126°
(d) 135°

Answer 2:

(c) 126°

                                                                   

Q3 | Ex-24B | Class 8 | RS AGGARWAL | chapter 24 | Pie Charts

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Question 3:

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If in the pie chart representing the number of students opting for different streams of study out of a total strength of 1650 students, the central angle of the sector representing arts students is 48° then what is the number of students who opted for arts stream?
(a) 220
(b) 240
(c) 275
(d) 320

Answer 3:

(a) 220

Q4 | Ex-24B | Class 8 | RS AGGARWAL | chapter 24 | Pie Charts

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Question 4:

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In the pie chart representing the percentages of students having interest in reading various kinds of books, the central angle of the sector representing students reading novels is 81°. What is the percentage of students interested in reading novels?
(a) 15%
(b) 18%
(c) $22\frac{1}{2}\%$
(d) $27\frac{1}{2}\%$

Answer 4:

(c) $22\frac{1}{2}\%$