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Olympiad Test: Introduction To Graphs - Class 8 MCQ


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20 Questions MCQ Test - Olympiad Test: Introduction To Graphs

Olympiad Test: Introduction To Graphs for Class 8 2024 is part of Class 8 preparation. The Olympiad Test: Introduction To Graphs questions and answers have been prepared according to the Class 8 exam syllabus.The Olympiad Test: Introduction To Graphs MCQs are made for Class 8 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Introduction To Graphs below.
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Olympiad Test: Introduction To Graphs - Question 1

Which of the following statements is true?

Detailed Solution for Olympiad Test: Introduction To Graphs - Question 1

Origin is the point of intersection of the X and Y axes.

Olympiad Test: Introduction To Graphs - Question 2

Which of the points given is a point on the X-axis?

Detailed Solution for Olympiad Test: Introduction To Graphs - Question 2

A point on the X-axis has its y-coordinate zero 0.

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Olympiad Test: Introduction To Graphs - Question 3

Direction: The bar-graph provided gives the sales of books (in thousand numbers) by six branches of a publishing company during two consecutive years 2013 and 2014. Sales of books (in thousand numbers) in different branches 

What is the total sales of branches B1, B3 and B5 together for both the years (in thousand numbers)?

Detailed Solution for Olympiad Test: Introduction To Graphs - Question 3

Total sales of branches B1,B3, and B5 together for both the years (in thousand numbers) 
=(80+105)+(95+115)+(785+95) = 565

Olympiad Test: Introduction To Graphs - Question 4

The bar-graph provided gives the sales of books (in thousand numbers) by six branches of a publishing company during two consecutive years 2013 and 2014. Sales of books (in thousand numbers) in different branches 

What percent of the total sales of branch B3 for both the years is the total sales of branch B6 for both the years?

Detailed Solution for Olympiad Test: Introduction To Graphs - Question 4

The required percentage 

Olympiad Test: Introduction To Graphs - Question 5

The bar-graph provided gives the sales of books (in thousand numbers) by six branches of a publishing company during two consecutive years 2013 and 2014. Sales of books (in thousand numbers) in different branches 

What is the average sale of all the branches (in thousand numbers) for the year 2013?

Detailed Solution for Olympiad Test: Introduction To Graphs - Question 5

The average sales of all the six branches (in thousand numbers) for the year 2013 
= 1/6×[80+75+95+85+75+75] = 80.8 = 81

Olympiad Test: Introduction To Graphs - Question 6

The bar-graph provided gives the sales of books (in thousand numbers) by six branches of a publishing company during two consecutive years 2013 and 2014. Sales of books (in thousand numbers) in different branches

What is the ratio of the total sales of branch B2 for both years to the total sales of branch B4 for both the years

Detailed Solution for Olympiad Test: Introduction To Graphs - Question 6

The required ratio  

Olympiad Test: Introduction To Graphs - Question 7

The bar-graph provided gives the sales of books (in thousand numbers) by six branches of a publishing company during two consecutive years 2013 and 2014. Sales of books (in thousand numbers) in different branches 

What percent of the average sales of branches B1,B2 and B3 in 2014 is the average sales of branches B1,B3 and B6 in 2013?

Detailed Solution for Olympiad Test: Introduction To Graphs - Question 7

Average sale of B1,B2 and B3 in 2014=(105+115+55)/3=91.667
Average sale of B1,B3 and B6 in 2013=(80+75+95)/3=83.333
83.333=x*91.667/100
x=8333.3/91.667=91(Approx.)

Olympiad Test: Introduction To Graphs - Question 8

Direction: The following pie charts show the distribution of students of graduate and post-graduate levels in seven different institutes M, N , P, Q, R, S and T town.

Total number of students of graduate level = 27300 

 

Total number of students of post-graduate level = 24700 

 

Note: Pie charts are not drawn to scale. How many students of institutes M and S are studying at graduate level?

Detailed Solution for Olympiad Test: Introduction To Graphs - Question 8

Students of institute M at graduate level = 17% of 27300 =4641 Students of institute S at graduate level = 14 % of 27300 = 3822 

∴ Total number of students at graduate level in institutes M and S = 4641+3822 = 8463 (or) 31% of 27300 = 8463

Olympiad Test: Introduction To Graphs - Question 9

The following pie charts show the Jistribution of students of graduate and 3ost-graduate levels in seven different institutes M, M P, Q, R, S and Tina town. Distribution of students at graduate and post-graduate levels in seven institutes M, N, P,Q, R, S, and T. Total number of students of graduate level = 27300 

 

Total number of students of post-graduate level = 24700 

 

Note: Pie charts are not drawn to scale. What is the total number of students studying at post-graduate level from institutes N and P?

Olympiad Test: Introduction To Graphs - Question 10

The following pie charts show the Jistribution of students of graduate and 3ost-graduate levels in seven different institutes M, M P, Q, R, S and Tina town. Distribution of students at graduate and post-graduate levels in seven institutes M, N, P,Q, R, S, and T. Total number of students of graduate level = 27300 

 

Total number of students of post-graduate level = 24700 

 

Note: Pie charts are not drawn to scale. What is the total number of graduate and post-graduate level students in the institute R?

Olympiad Test: Introduction To Graphs - Question 11

The following pie charts show the Jistribution of students of graduate and 3ost-graduate levels in seven different institutes M, M P, Q, R, S and Tina town. Distribution of students at graduate and post-graduate levels in seven institutes M, N, P,Q, R, S, and T. Total number of students of graduate level = 27300 

 

Total number of students of post-graduate level = 24700 

 

Note: Pie charts are not drawn to scale. What is the total number of graduate and post-graduate level students in the institute R?

Olympiad Test: Introduction To Graphs - Question 12

The following pie charts show the Jistribution of students of graduate and 3ost-graduate levels in seven different institutes M, M P, Q, R, S and Tina town. Distribution of students at graduate and post-graduate levels in seven institutes M, N, P,Q, R, S, and T. Total number of students of graduate level = 27300 

 

Total number of students of post-graduate level = 24700 

 

Note: Pie charts are not drawn to scale. What is the total number of graduate and post-graduate level students in the institute R?

Olympiad Test: Introduction To Graphs - Question 13

 The bar chart shows the number of workers employed by a trading company in three years.

Calculate the difference between the total number of male and female workers employed over those three years.

Detailed Solution for Olympiad Test: Introduction To Graphs - Question 13

The total number of male workers employed = 5+7+9 = 21
The total number of female workers employed =8+9+5 = 22
∴ The required difference = 22−21 = 1

Olympiad Test: Introduction To Graphs - Question 14

The line graph shows the sale of dolls by Suhas from Monday to Saturday in a particular week.

Given that the cost of one doll is Rs.35, how much did Suhas receive from the sale or dolls on Saturday?

Detailed Solution for Olympiad Test: Introduction To Graphs - Question 14

Sale of dolls on Saturday = 40 Cost of each doll = Rs.35
∴ Amount earned Rs.35 × 40 = Rs.1400

Olympiad Test: Introduction To Graphs - Question 15

The bar chart shows the number of 'Maruti' and 'Benz' cars sold by three dealers, A, B and C. 

Which of the following statements is true?

Detailed Solution for Olympiad Test: Introduction To Graphs - Question 15

The number of Benz cars sold by dealer B is the maximum.

Olympiad Test: Introduction To Graphs - Question 16

The line graph shows the price of chicken in towns M and N.

On which days are the price of chicken the same in both the towns?

Detailed Solution for Olympiad Test: Introduction To Graphs - Question 16

The price of chicken is the same in both the towns ⇒ their graphs intersect at a point. This happens to be on Tuesday and Saturday.

Olympiad Test: Introduction To Graphs - Question 17

The line graph shows the sale of watches in a company.

How many watches were sold in all 5 months?

Olympiad Test: Introduction To Graphs - Question 18

Direction: The line graph shows the monthly expenditure of Vasu's family.

 What is the total expenditure over the first 3 months?

Olympiad Test: Introduction To Graphs - Question 19

Direction: The line graph shows the monthly expenditure of Vasu's family.

Find the difference between their highest and lowest monthly expenditures.

Olympiad Test: Introduction To Graphs - Question 20

Which of the following statements is correct?

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