Questions

[5 marks sum]

🎯

Test yourself on this topic

7 questions · timed · auto-graded

Question 15 Marks
For the following data, draw a pie graph.
Subject Hindi English Maths Science Social Study
Marks as percent $60$ $45$ $42$ $48$ $75$
Answer
$\because 60+45+42+48+75=270$
$\therefore$ Central angle for Hindi $=\frac{60}{270} \times 360^{\circ}=80^{\circ}$
Central angle for English $=\frac{45}{270} \times 360^{\circ}=60^{\circ}$
Central angle for Maths $=\frac{42}{270} \times 360^{\circ}=56^{\circ}$
Central angle for Science $=\frac{48}{270} \times 360^{\circ}=64^{\circ}$
and Central angle for Social study $=\frac{75}{270} \times 360^{\circ}=100^{\circ}$
View full question & answer
Question 25 Marks
The following table shows the market position of different brands of tea$-$leaves.  
Brand $A$ $B$ $C$ $D$ others
$\%$ of Buyers $35$ $20$ $20$ $15$ $10$
Draw it$-$pie$-$chart to represent the above information.
View full question & answer
Question 35 Marks
Mr. Mirza’s monthly income is $Rs. 7,200$. He spends $Rs. 1,800$ on rent, $Rs. 2,700$ on food, $Rs. 900$ on the education of his children; $Rs. 1,200$ on Other things and saves the rest.
Draw a pie$-$chart to represent it.
View full question & answer
Question 45 Marks
Construct a frequency distribution table for the following data; taking class$-$intervals $4-6, 6-8, ……… 14-16.$
$11.5$ $6.3$ $7.8$ $9.2$ $10.5$
$4.5$ $6$ $8.3$ $12.5$ $15.8$
$7.4$ $5.3$ $8.4$ $15.2$ $8.9$
$9.8$ $8.25$ $6.5$ $5.8$ $10.5$
$4.6$ $6.4$ $8.9$ $10.8$ $12.7$
$6.6$ $4.3$ $4.7$ $9.4$ $10.1$
$15.5$ $14.4$ $12.2$ $7.7$ $5.5$
Answer
 
Class Intervals Tally Marks Frequency
$4-6$ $||||\  ||$ $7$
$6-8$ $||||\  |||$ $8$
$8-10$ $||||\  ||||$ $10$
$10-12$ $||||\  |$ $6$
$12-14$ $|||$ $3$
$14-16$ $||||\  |$ $6$
View full question & answer
Question 55 Marks
The following are the marks obtained by $30$ students in an examination.  
$15$ $20$ $8$ $9$ $10$
$16$ $17$ $20$ $24$ $30$
$44$ $47$ $38$ $36$ $40$
$27$ $25$ $28$ $30$ $19$
$7$ $11$ $21$ $31$ $41$
$37$ $47$ $23$ $20$ $17$
Taking class intervals $0-10, 10-20, ……… 40-50 $ ; construct a frequency table.
Answer
Class Intervals Tally Marks Frequency
$0-10$ $|||$ $3$
$10-20$ $||||\  ||$ $7$
$20-30$ $||||\  ||||$ $9$
$30-40$ $||||\  |$ $6$
$40-50$ $||||$ $5$
View full question & answer
Question 65 Marks
Construct a frequency table for the following data : $3, 2, 1, 5, 4, 3, 2, 5, 5, 4, 2, 2, 2, 1, 4, 1, 5, 4.$
Answer
Data Tally Marks Frequency
$1$ $|||$ $3$
$2$ $||||$ $5$
$3$ $||$ $2$
$4$ $||||$ $4$
$5$ $||||$ $4$
View full question & answer
Question 75 Marks
Construct a frequency table for the following data : $6, 7, 5, 6, 8, 9, 5, 5, 6, 7, 8, 9, 8, 10, 10, 9, 8, 10, 5, 7, 6, 8.$
Answer
Data Tally Marks Frequency
$5$ $||||$ $4$
$6$ $||||$ $4$
$7$ $|||$ $3$
$8$ $||||$ $5$
$9$ $|||$ $3$
$10$ $|||$ $3$
View full question & answer
[5 marks sum] - MATHS STD 8 Questions - Vidyadip