# class 9

## NCERT solutions for class 9 Maths chapter 15 Probability (Exercise 15.1)

NCERT solutions for class 9 Maths Probability Chapter 15 Exercise 15.1 Ex 15.1 Question 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: Total number… Read More »NCERT solutions for class 9 Maths chapter 15 Probability (Exercise 15.1)

## NCERT solutions for class 9 Maths chapter 14 Statistics (Exercise 14.4)

NCERT solutions for class 9 Maths Statistics Chapter 14 Exercise 14.4 Ex 14.4 Question 1. The following number of goals were scored by a team in a series of 10 matches 2, 3, 4, 5, 0, 1, 3, 3, 4, 3. Find the mean, median… Read More »NCERT solutions for class 9 Maths chapter 14 Statistics (Exercise 14.4)

## NCERT solutions for class 9 Maths chapter 14 Statistics (Exercise 14.3)

NCERT solutions for class 9 Maths Statistics Chapter 14 Exercise 14.3 Ex 14.3 Question 1. A survey conducted by an organisation for the cause of illness and death among the women between the ages 15-44 (in years) worldwide, found the following figures (in %) (i)… Read More »NCERT solutions for class 9 Maths chapter 14 Statistics (Exercise 14.3)

## NCERT solutions for class 9 Maths chapter 14 Statistics (Exercise 14.1)

NCERT solutions for class 9 Maths Statistics Chapter 14 Exercise 14.1 Ex 14.1 Question 1. Give five examples of data that you collect from your day-to-day life. Solution: Five examples  of data that we can collect from our day-to-day life : Number of boys students… Read More »NCERT solutions for class 9 Maths chapter 14 Statistics (Exercise 14.1)

## NCERT solutions for class 9 Maths chapter 13 Surface Areas and Volumes (Exercise – 13.7)

NCERT solutions for class 9 Maths Surface Areas and Volumes Chapter 13  Exercise 13.7 EX 13.7 QUESTION 1. Find the volume of the right circular cone with (i) radius 6 cm, height 7 cm (ii) radius 3.5 cm, height 12 cm Solution: (i) Radius of… Read More »NCERT solutions for class 9 Maths chapter 13 Surface Areas and Volumes (Exercise – 13.7)

## NCERT solutions for class 9 Maths chapter 13 Surface Areas and Volumes (Exercise – 13.6)

NCERT solutions for class 9 Maths Surface Areas and Volumes Chapter 13  Exercise 13.6 EX 13.6 QUESTION 1. The circumference of the base of a cylindrical vessel is 132 cm and its height is 25 cm. How many litres of water can it hold? (1000cm³… Read More »NCERT solutions for class 9 Maths chapter 13 Surface Areas and Volumes (Exercise – 13.6)