Tiwari Academy Discussion

Geeta Kapoor

Asked: November 4, 2020In: Class 9

Activity : Note the frequency of two-wheelers, three-wheelers and four-wheelers going past during a time interval, in front of your school gate. Find the probability that any one vehicle out of the total vehicles you have observed is a two-wheeler.

NCERT Solutions for Class 9 Maths Chapter 15 Important NCERT Questions Probability NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 15.1 Page No:285 Questions No:9

Geeta Kapoor

Asked: November 4, 2020In: Class 9

Activity : Ask all the students in your class to write a 3-digit number. Choose any student from the room at random. What is the probability that the number written by her/him is divisible by 3? Remember that a number is divisible by 3, if the sum of its digits is divisible by 3.

NCERT Solutions for Class 9 Maths Chapter 15 Important NCERT Questions Probability NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 15.1 Page No:285 Questions No:10

Geeta Kapoor

Asked: November 4, 2020In: Class 9

Eleven bags of wheat flour, each marked 5 kg, actually contained the following weights of flour (in kg): 4.97 5.05 5.08 5.03 5.00 5.06 5.08 4.98 5.04 5.07 5.00 Find the probability that any of these bags chosen at random contains more than 5 kg of flour.

NCERT Solutions for Class 9 Maths Chapter 15 Important NCERT Questions Probability NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 15.1 Page No:285 Questions No:11

Rajiv Tyagi

Asked: November 4, 2020In: Class 9

Construct an angle of 90° at the initial point of a given ray and justify the construction.

NCERT Solutions for Class 9 Maths Chapter 11 Important NCERT Questions Constructions NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 11.1 Page No:191 Questions No:1

Rajiv Tyagi

Asked: November 4, 2020In: Class 9

Construct an angle of 45° at the initial point of a given ray and justify the construction.

NCERT Solutions for Class 9 Maths Chapter 11 Important NCERT Questions Constructions NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 11.1 Page No:191 Questions No:2

Rajiv Tyagi

Asked: November 4, 2020In: Class 9

Construct the angles of the following measurements: (i) 30° (ii) 22/5° (iii) 15°

NCERT Solutions for Class 9 Maths Chapter 11 Important NCERT Questions Constructions NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 11.1 Page No:191 Questions No:3

Rajiv Tyagi

Asked: November 4, 2020In: Class 9

Construct the following angles and verify by measuring them by a protractor: (i) 75° (ii) 105° (iii) 135°

NCERT Solutions for Class 9 Maths Chapter 11 Important NCERT Questions Constructions NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 11.1 Page No:191 Questions No:4

Rajiv Tyagi

Asked: November 4, 2020In: Class 9

Construct an equilateral triangle, given its side and justify the construction.

NCERT Solutions for Class 9 Maths Chapter 11 Important NCERT Questions Constructions NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 11.1 Page No:191 Questions No:5

Rajiv Tyagi

Asked: November 4, 2020In: Class 9

Construct a triangle ABC in which BC = 7cm, ∠B = 75° and AB + AC = 13 cm.

NCERT Solutions for Class 9 Maths Chapter 11 Important NCERT Questions Constructions NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 11.2 Page No:195 Questions No:1

Rajiv Tyagi

Asked: November 4, 2020In: Class 9

Construct a triangle ABC in which BC = 8cm, ∠B = 45° and AB – AC = 3.5 cm.

NCERT Solutions for Class 9 Maths Chapter 11 Important NCERT Questions Constructions NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 11.2 Page No:195 Questions No:2

Activity : Note the frequency of two-wheelers, three-wheelers and four-wheelers going past during a time interval, in front of your school gate. Find the probability that any one vehicle out of the total vehicles you have observed is a two-wheeler.

Activity : Ask all the students in your class to write a 3-digit number. Choose any student from the room at random. What is the probability that the number written by her/him is divisible by 3? Remember that a number is divisible by 3, if the sum of its digits is divisible by 3.

Eleven bags of wheat flour, each marked 5 kg, actually contained the following weights of flour (in kg): 4.97 5.05 5.08 5.03 5.00 5.06 5.08 4.98 5.04 5.07 5.00 Find the probability that any of these bags chosen at random contains more than 5 kg of flour.

Construct an angle of 90° at the initial point of a given ray and justify the construction.

Construct an angle of 45° at the initial point of a given ray and justify the construction.

Construct the angles of the following measurements: (i) 30° (ii) 22/5° (iii) 15°

Construct the following angles and verify by measuring them by a protractor: (i) 75° (ii) 105° (iii) 135°

Construct an equilateral triangle, given its side and justify the construction.

Construct a triangle ABC in which BC = 7cm, ∠B = 75° and AB + AC = 13 cm.

Construct a triangle ABC in which BC = 8cm, ∠B = 45° and AB – AC = 3.5 cm.

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