Mathematics Textbook of Competency Based Questions for Class VII>Chapter 3 - Data Handling>Exercise>Q 3

HARD

7th CBSE

IMPORTANT

Earn 100

Gaming apps allow users to download and play games in online or offline mode. A play store data shares $20$ million downloads of $6$ popular games. The table below shows the number of daily active users of the games:

Game Active users (in millions)

KC $2.07$

RJ $1.99$

CM $1.82$

SN $1.56$

CR $1.34$

HC $1.20$

The graph below shows the percentage of new and existing active users of the games.

It has been observed that $50 %$ of the new RJ game users play online with friends. For existing users, this percentage is $36 %$ .

What is the number of people (in millions) playing RJ game online with friends?

Game	Active users (in millions)
KC	$2.07$
RJ	$1.99$
CM	$1.82$
SN	$1.56$
CR	$1.34$
HC	$1.20$

3.13% studentsanswered this correctly

Important Questions on Data Handling

MEDIUM

7th CBSE

IMPORTANT

Mathematics Textbook of Competency Based Questions for Class VII>Chapter 3 - Data Handling>Exercise>Q 4

Mary played $10$ HC matches. She scored $45, 36, 50, 27, 36, 52, 50, 43, 50$ and $47$ points in them. What is the most frequent score point?

MEDIUM

7th CBSE

IMPORTANT

Mathematics Textbook of Competency Based Questions for Class VII>Chapter 3 - Data Handling>Exercise>Q 5

Mary played $10$ HC matches. She scored $45, 36, 50, 27, 36, 52, 50, 43, 50$ and $47$ points in them. Are the mean and median of Mary’s scores equal? Justify your answer

MEDIUM

7th CBSE

IMPORTANT

Mathematics Textbook of Competency Based Questions for Class VII>Chapter 3 - Data Handling>Exercise>Q 6

Mary played $10$ HC matches. She scored $45, 36, 50, 27, 36, 52, 50, 43, 50$ and $47$ points in them. Mary scored $56$ points in her $11$ th match. What is the change in her mean score after the $11$ th match?

HARD

7th CBSE

IMPORTANT

Mathematics Textbook of Competency Based Questions for Class VII>Chapter 3 - Data Handling>Exercise>Q 7

The average age of eleven football players is

20

years, if the age of the coach is also included, the average age increases by

10 %

. The age of the coach is

HARD

7th CBSE

IMPORTANT

Mathematics Textbook of Competency Based Questions for Class VII>Chapter 3 - Data Handling>Exercise>Q 8

A batsman in his

12^{th}

innings make, a score of

63

runs and thereby increases, his average score by

2

. What is his average score after the

12^{th}

innings?

EASY

7th CBSE

IMPORTANT

Mathematics Textbook of Competency Based Questions for Class VII>Chapter 3 - Data Handling>Exercise>Q 9

In a class, there are $30$ boys and $20$ girls. The average weight of $30$ boys is $60 k g$ and the average weight of $20$ girls is $35 k g$ . Find the average weight of the class.