NCERT solutions for class 9 maths English medium

NCERT solutions Class 9 Maths Chapter 15 Probability(updated) Exercise 15.1 Page: 283 1. In a cricket match, a batswoman hits a boundary 6 times out of 30 balls she plays. Find the probability that she did not hit a boundary. Solution: According to the question, Total number of balls = 30 Numbers of boundary = … Read more

NCERT Solutions for Class 9 Maths Chapter 14 Statistics (updated) Exercise 14.1 Page: 239  1. Give five examples of data that you can collect from your day-to-day life. Solution: Five examples from day-to-day life: Number of students in our class. Number of fans in our school. Electricity bills of our house for last two years. … Read more

NCERT solutions for Class 9 Maths Chapter 13 Surface Areas and Volumes (updated) Exercise 13.1 Page No: 213 1. A plastic box 1.5 m long, 1.25 m wide and 65 cm deep, is to be made. It is to be open at the top. Ignoring the thickness of the plastic sheet, determine: (i)The area of … Read more

NCERT solutions for Class 9 Maths Chapter 12 Heron’s Formula (updated) Exercise: 12.1 (Page No: 202) 1. A traffic signal board, indicating ‘SCHOOL AHEAD’, is an equilateral triangle with side ‘a’. Find the area of the signal board, using Heron’s formula. If its perimeter is 180 cm, what will be the area of the signal … Read more

NCERT solutions Class 9 Maths Chapter 11 Constructions updated Exercise 11.1 Page: 191 1. Construct an angle of 90° at the initial point of a given ray and justify the construction. Construction Procedure: To construct an angle 90°, follow the given steps: 1. Draw a ray OA 2. Take O as a centre with any … Read more

NCERT Solutions for Class 9 maths Chapter 10 Circles (updated) Exercise: 10.1 (Page No: 171) 1. Fill in the blanks: (i) The centre of a circle lies in ____________ of the circle. (exterior/ interior) (ii) A point, whose distance from the centre of a circle is greater than its radius lies in __________ of the … Read more

NCERT solutions for Class 9 Maths Chapter 9 – Areas of Parallelograms and Triangles (updated) Exercise 9.1 Page: 155 1. Which of the following figures lie on the same base and in-between the same parallels? In such a case, write the common base and the two parallels. Solution: (i) Trapezium ABCD and ΔPDC lie on … Read more

NCERT solutions for Class 9 Maths Chapter 8 Quadrilaterals (updated) Exercise 8.1 Page: 146 1. The angles of quadrilateral are in the ratio 3 : 5 : 9 : 13. Find all the angles of the quadrilateral. Solution: Let the common ratio between the angles be = x. We know that the sum of the … Read more

NCERT Solutions for Class 9 maths Chapter 7 Triangles (updated) Exercise: 7.1 (Page No: 118) 1. In quadrilateral ACBD, AC = AD and AB bisect A (see Fig. 7.16). Show that ΔABC ΔABD. What can you say about BC and BD? Solution: It is given that AC and AD are equal i.e. AC = AD … Read more