Page 119 - Math_Genius_V1.0_C8_Flipbook

E:\Working\Focus_Learning\Math_Genius-8\Open_Files\05_Chapter_4\Chapter_4
\ 06-Jan-2025 Bharat Arora Proof-6 Reader’s Sign _______________________ Date __________

Chapter assessment
A. Choose the correct option.

1. The range of the data 30, 61, 55, 56, 60, 20, 16, 46, 28, 56 is
( a) 45 (b) 30 (c) 41 (d) 61

2. A pictorial representation showing the relationship between a whole and its parts is a
( a) Pictograph (b) Histogram (c) Bar graph (d) Pie chart
3. Which of the following is not a random experiment?
( a) Tossing a coin (b) Rolling a dice

( c) Choosing a card from a deck of 52 cards
( d) Throwing a stone from the roof of a building
4. Rahul, Varun, and Yash are playing a game of spinning of a coloured wheel. Rahul wins if the spinner
lands on red, Varun wins if the spinner lands on blue and Yash wins if it lands on green. Which of
the following spinner should be used to make the game fair?

Blue R
Red Green Red Green B
Green Green G
Blue Red Blue Blue G B
Green Blue
Green Red R
(i) (ii) (iii) (iv)
( a) (i) (b) (ii) (c) (iii) (d) (iv)
5. In a frequency distribution with classes 0-10, 10-20, etc., the size of the class intervals is 10. The class
mark for the fifth class is
( a) 45 (b) 50 (c) 25 (d) 35

6. The monthly salary of a person is `30000. The central angle of the sector representing his expenses
on food and house rent on a pie chart is 75°. The amount he spends on food and house rent is
( a) `5000 (b) `12500 (c) `6250 (d) `9000
7. Data collected in a survey shows that 40% of the buyers are interested in buying a particular brand
of toothpaste. The central angle of the sector of the pie chart representing this information is
( a) 120° (b) 150° (c) 144° (d) 40°
8. In a throw of a dice, the probability of getting the number 7 is

1 7 6
( a) ( b) 0 (c) ( d)
2 6 7
B. Assertion (A) and Reason (R) based questions

In the following question, a statement of Assertion (A) is followed by a statement of Reason (R).
Choose the correct option.

( a) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
( b) Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of
Assertion (A).
( c) Assertion (A) is true but Reason (R) is false.

( d) Assertion (A) is false but Reason (R) is true.

117