Samacheer Kalvi 9th Maths Solutions Chapter 9 Probability Additional Questions Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 9 Probability Additional Questions EXERCISE 9.1 Question 1. An unbiased die is thrown. What is the probability of getting (i) an even number or a multiple of 3. (ii) a number between 3 and 6. SabDekho The Complete … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 9 Probability Ex 9.3 Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 9 Probability Ex 9.3 Question 1. A number between 0 and 1 that is used to measure uncertainty is called (1) Random variable (2) Trial (3) Simple event (4) Probability Solution: (4) Probability Question 2. Probability lies between … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 9 Probability Ex 9.2 Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 9 Probability Ex 9.2 Question 1. A company manufactures 10000 Laptops in 6 months. Out of which 25 of them are found to be defective. When you choose one Laptop from the manufactured, what is the probability that … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 9 Probability Ex 9.1 Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 9 Probability Ex 9.1 Question 1. You are walking along a street. If you just choose a stranger crossing you, what is the probability that his next birthday will fall on a Sunday? Solution: Days in a week … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 8 Statistics Additional Questions Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 8 Statistics Additional Questions Exercise 8.1 Question 1. The following data gives the number of residents in an area based on their age. Find the average age of the residents. Solution: Question 2. Find the mean for the … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 8 Statistics Ex 8.4 Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 8 Statistics Ex 8.4 Multiple Choice Questions Question 1. Let m be the mid point and b be the upper limit of a class in a continuous frequency distribution. The lower limit of the class is (1) 2 … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 8 Statistics Ex 8.3 Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 8 Statistics Ex 8.3 Question 1. The monthly salary of 10 employees in a factory are given below : ₹ 5000, ₹ 7000, ₹ 5000, ₹ 7000, ₹ 8000, ₹ 7000, 17000, ₹ 8000, ₹ 7000, ₹ 5000 … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 8 Statistics Ex 8.2 Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 8 Statistics Ex 8.2 Question 1. Find the median of the given values : 47, 53, 62, 71, 83, 21, 43, 47, 41. Solution: 47, 53, 62, 71, 83, 21, 43, 47, 41 Ascending order = 21, 41, … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 8 Statistics Ex 8.1 Tamilnadu Samacheer Kalvi 9th Maths Chapter 8 Solutions Statistics Ex 8.1 Question 1. In a week, temperature of a certain place is measured during winter are as follows 26°C, 24°C, 28°C, 31°C, 30°C, 26°C, 24°C. Find the mean temperature of the week. Solution: Mean temperature … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 7 Mensuration Additional Questions Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 7 Mensuration Additional Questions Exercise 7.1 Question 1. Using Heron’s formula, find the area of a triangle whose sides are 41 m, 15 m, 25 m. Solution: Question 2. Find the area of an equilateral triangle whose perimeter … Read more