Tiwari Academy Discussion

Vadivu

Asked: March 19, 2021In: Class 7 Maths

The enrolment in a school during six consecutive years was as follows: 1555, 1670, 1750, 2013, 2540, 2820 Find the mean enrolment of the school for this period.

NCERT Solutions for Class 7 Mathematics Chapter 3 Important NCERT Questions Class vii Math Chapter 3 Data Handling Exercise 3.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 7

Vadivu

Asked: March 19, 2021In: Class 7 Maths

The marks (out of 100) obtained by a group of students in a science test are 85, 76, 90, 85, 39, 48, 56, 95, 81 and 75. Find the: (i) The highest and the lowest marks obtained by the students. (ii) Range of the marks obtained. (iii) Mean marks obtained by the group.

NCERT Solutions for Class 7 Mathematics Chapter 3 Important NCERT Questions Class vii Math Chapter 3 Data Handling Exercise 3.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 6

Vadivu

Asked: March 19, 2021In: Class 7 Maths

Following table shows the points of each player scored in four games: Now answer the following questions: (i) Find the mean to determine A’s average number of points scored per game. (ii) To find the mean number of points per game for C, would you divide the total points by 3 or 47? Why? (iii) B played in all the four games. How would you find the mean? (iv) Who is the best performer?

NCERT Solutions for Class 7 Mathematics Chapter 3 Important NCERT Questions Class vii Math Chapter 3 Data Handling Exercise 3.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 5

Vadivu

Asked: March 19, 2021In: Class 7 Maths

A cricketer scores the following runs in eight innings: 58, 76, 40, 35, 46, 45, 0, 100 Find the mean score.

NCERT Solutions for Class 7 Mathematics Chapter 3 Important NCERT Questions Class vii Math Chapter 3 Data Handling Exercise 3.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 4

Vadivu

Asked: March 19, 2021In: Class 7 Maths

Find the mean of the first five whole numbers.

NCERT Solutions for Class 7 Mathematics Chapter 3 Important NCERT Questions Class vii Math Chapter 3 Data Handling Exercise 3.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 3

Vadivu

Asked: March 19, 2021In: Class 7 Maths

Organize the following marks in a class assessment, in a tabular form: 4, 6, 7, 5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5, 8, 4, 6, 7. (i) Which number is the highest? (ii) Which number of the lowest? (iii) What is the range of the lowest? (iv) Find the arithmetic mean

NCERT Solutions for Class 7 Mathematics Chapter 3 Important NCERT Questions Class vii Math Chapter 3 Data Handling Exercise 3.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 2

Vagadevi

Asked: March 7, 2021In: Class 8 Maths

ABC is a right-angled triangle and O is the mid-point of the side opposite to the right angle. Explain why O is equidistant from A, B and C. (The dotted lines are drawn additionally to help you.)

NCERT Solutions for Class 8 Mathematics Chapter 3 Important NCERT Questions Understanding Quadrilaterals Chapter 3 Exercise 3.4 NCERT Books for Session 2022-2023 CBSE Board Questions No: 6

Vagadevi

Asked: March 7, 2021In: Class 8 Maths

Explain why a rectangle is a convex quadrilateral.

NCERT Solutions for Class 8 Mathematics Chapter 3 Important NCERT Questions Understanding Quadrilaterals Chapter 3 Exercise 3.4 NCERT Books for Session 2022-2023 CBSE Board Questions No: 5

Vagadevi

Asked: March 7, 2021In: Class 8 Maths

Name the quadrilateral whose diagonals: (i) bisect each other. (ii) are perpendicular bisectors of each other. (iii) are equal.

NCERT Solutions for Class 8 Mathematics Chapter 3 Important NCERT Questions Understanding Quadrilaterals Chapter 3 Exercise 3.4 NCERT Books for Session 2022-2023 CBSE Board Questions No: 4

Vagadevi

Asked: March 7, 2021In: Class 8 Maths

Explain how a square is: (i) a quadrilateral (ii) a parallelogram (iii) a rhombus (iv) a rectangle

NCERT Solutions for Class 8 Mathematics Chapter 3 Important NCERT Questions Understanding Quadrilaterals Chapter 3 Exercise 3.4 NCERT Books for Session 2022-2023 CBSE Board Questions No: 3

The enrolment in a school during six consecutive years was as follows: 1555, 1670, 1750, 2013, 2540, 2820 Find the mean enrolment of the school for this period.

The marks (out of 100) obtained by a group of students in a science test are 85, 76, 90, 85, 39, 48, 56, 95, 81 and 75. Find the: (i) The highest and the lowest marks obtained by the students. (ii) Range of the marks obtained. (iii) Mean marks obtained by the group.

A cricketer scores the following runs in eight innings: 58, 76, 40, 35, 46, 45, 0, 100 Find the mean score.

Find the mean of the first five whole numbers.

Organize the following marks in a class assessment, in a tabular form: 4, 6, 7, 5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5, 8, 4, 6, 7. (i) Which number is the highest? (ii) Which number of the lowest? (iii) What is the range of the lowest? (iv) Find the arithmetic mean

ABC is a right-angled triangle and O is the mid-point of the side opposite to the right angle. Explain why O is equidistant from A, B and C. (The dotted lines are drawn additionally to help you.)

Explain why a rectangle is a convex quadrilateral.

Name the quadrilateral whose diagonals: (i) bisect each other. (ii) are perpendicular bisectors of each other. (iii) are equal.

Explain how a square is: (i) a quadrilateral (ii) a parallelogram (iii) a rhombus (iv) a rectangle

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