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Maths Tales by Dots and Lines - Chapter 5 Class 8 (Ganita Prakash II) MCQ and Assertion Questions

10 Question MCQ (including Assertion) · Class 8 · Maths · CBSE

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Chapter 5 Class 8 - Tales by Dots and Lines (Ganita Prakash II) | 10 questions | about 8 minutes

Practise Tales by Dots and Lines - Chapter 5 Class 8 (Ganita Prakash II) with Teachoo's 10 Question MCQ (including Assertion) (Class 8 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 10
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Question 1 of 10
A line graph falls from 70 on Monday to 55 on Tuesday. Which conclusion is justified?
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Question 2 of 10
Use the sleep-duration graph.
Typical sleep duration across agesAverage sleep declines from about 9.5 hours at age 6 to about 8 hours between ages 30 and 50, then rises.7.588.599.5106102030405060657075Average sleepHours per day
During which broad age interval is the plotted average closest to its minimum?
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Question 3 of 10
Use the spreadsheet extract.
Spreadsheet extract of class marksColumns A to E contain names and marks; rows 2 to 5 list Ratna, Nagesh, Ashwin and Farooq.NameOdiaTeluguEnglishMathsRatna25392936Nagesh41434839Ashwin29313334Farooq47463842ABCDE12345
Which cell contains Farooq's Maths mark?
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Question 4 of 10
Assertion (A): Four stacked dots above 2 represent four observations equal to 2.
Reason (R): In a dot plot, each dot represents one observation and its horizontal position gives the value.
Beginning of the cycling-frequency dot plotThree dots are stacked at 0, one at 1, and four at 2.01234
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Question 5 of 10
A city's 'average rainfall in June' is based on several years. What does it mean?
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Question 6 of 10
The table gives average shop visitors and purchasers.
Shop visitors and purchasers by dayThe table lists average visitors and purchasers from Monday through Sunday.Mon1610Tue198Wed107Thu1411Fri2012Sat2216Sun3526VisitingPurchasing
On which day is the difference between the two counts greatest?
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Question 7 of 10
What does the spreadsheet range B3:G3 represent?
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Question 8 of 10
The rows of a \(3\times3\) mean grid are 7, 14, 9; 12, \(x\), 8; and 11, 6, 13. Every row, column and diagonal has mean 10. What is \(x\)?
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Question 9 of 10
Assertion (A): A mean from a frequency table must account for how often each value occurs.
Reason (R): Every listed value in a frequency table occurs exactly once.
Family-size frequency tableFamily sizes from 3 to 10 have frequencies 3, 11, 9, 7, 3, 1, 1 and 1. 334115967738191101Family sizeFrequency
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Question 10 of 10
What is the median of 4, 7, 10 and 15?
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