Samacheer Kalvi 8th Maths Guide Chapter 2 Measurements Ex 2.3

Samacheer Kalvi 8th Maths Guide Chapter 2 Measurements Ex 2.3 Tamilnadu Samacheer Kalvi 8th Maths Solutions Chapter 2 Measurements Ex 2.3 Question 1. Fill ini the blanks: (i) The three dimensions of a cuboid are ______ , ______ and ______ . Answer: length, breadth, height (ii) The meeting point of more than two edges in … Read more

Samacheer Kalvi 8th Maths Guide Chapter 2 Measurements Ex 2.2

Samacheer Kalvi 8th Maths Guide Chapter 2 Measurements Ex 2.2 Tamilnadu Samacheer Kalvi 8th Maths Solutions Chapter 2 Measurements Ex 2.2 Question 1. Find the perimeter and area of the figures given below. (π = 22/7) (i) Answer: Length of the arc of the semicircle = 1/2 × 2πr units = 22/7×7/2 m =11 m ∴ Perimeter = Sum of … Read more

Samacheer Kalvi 8th Maths Guide Chapter 2 Measurements Ex 2.1

Samacheer Kalvi 8th Maths Guide Chapter 2 Measurements Ex 2.1 Tamilnadu Samacheer Kalvi 8th Maths Solutions Chapter 2 Measurements Ex 2.1 Question 1. Fill in the blanks: (i) The ratio between the circumference and diameter of any circle is _______ . Answer: π   (ii) A line segment which joins any two points on a … Read more

Samacheer Kalvi 8th Maths Guide Chapter 1 Numbers InText Questions

Samacheer Kalvi 8th Maths Guide Chapter 1 Numbers InText Questions Tamilnadu Samacheer Kalvi 8th Maths Solutions Chapter 1 Numbers InText Questions Recap Exercise (Text Book Page No. 3) Question 1. Question 1. Is the square of a prime number, prime? Answer: No, the square of a prime number ‘P’ has at Least 3 divisors 1, … Read more

Samacheer Kalvi 8th Maths Guide Chapter 1 Numbers Ex 1.7

Samacheer Kalvi 8th Maths Guide Chapter 1 Numbers Ex 1.7 Tamilnadu Samacheer Kalvi 8th Maths Solutions Chapter 1 Numbers Ex 1.7 Miscellaneous Practice Problems   Question 1. Powers of 2: 2, 4, 8, 16, 32, 64, 128, 256, 512,….   Question 10. Give the answer in scientific notation: A human heart beats at an average … Read more

Samacheer Kalvi 8th Maths Guide Chapter 1 Numbers Ex 1.6

Samacheer Kalvi 8th Maths Guide Chapter 1 Numbers Ex 1.6 Tamilnadu Samacheer Kalvi 8th Maths Solutions Chapter 1 Numbers Ex 1.6 Question 1. Fill in the blanks. (i) (-1)even integer is __________ . Answer: 1 (ii) For a ≠ 0, a0 is __________ . Answer: 1   (iii) 4-3 × 5-3 = __________ . Answer: 20-3 (iv) (-2)-7 is = … Read more

Samacheer Kalvi 8th Maths Guide Chapter 1 Numbers Ex 1.4

Samacheer Kalvi 8th Maths Guide Chapter 1 Numbers Ex 1.4 Tamilnadu Samacheer Kalvi 8th Maths Solutions Chapter 1 Numbers Ex 1.4 Question 1. Fill in the blanks: (i) The ones digit in the square of 77 is ________ . Answer: 9 (ii) The number of non-square numbers between 242 and 252 is ________ . Answer: … Read more

TN Class 8th Maths Solutions Chapter 1 Numbers Ex 1.3

TN Class 8th Maths Solutions Chapter 1 Numbers Ex 1.3 TN Class 8th Maths Solutions Chapter 1 Numbers Ex 1.3 Question 1. Verify the closure property for addition and multiplication for the rational numbers −5/7 and 8/9. Answer: closure property for addition Let a = −5/7 and b = 8/9 ∴ Closure property is true … Read more

Samacheer Kalvi 8th Maths Guide Chapter 1 Numbers Ex 1.2

Samacheer Kalvi 8th Maths Guide Chapter 1 Numbers Ex 1.2 Tamilnadu Samacheer Kalvi 8th Maths Solutions Chapter 1 Numbers Ex 1.2 Question 1. Fill in the blanks: Question 2. Say True or False (i) All rational numbers have an additive inverse. Answer: True   (ii) The rational numbers that are equal to their additive inverses … Read more