Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 3 Algebra Additional Questions Tamilnadu Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 3 Algebra Additional Questions Additional Questions and Answers Exercise 3.1 Question 1. If 4×2 + y2 = 40 and xy = b find the value of 2x + y. Solution: We have (a + b)2 = a2 + … Read more
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 3 Algebra Ex 3.3 Tamilnadu Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 3 Algebra Ex 3.3 Miscellaneous Practice problems Question 1. Using identity, find the value of (i) (4.9)2 (ii) (100.1)2 (iii) (1.9) × (2.1) Solution: (i) (4.9)2 (4.9)2 = (5 – 0.1)2 Substituting a = 5 … Read more
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 3 Algebra Ex 3.2 Tamilnadu Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 3 Algebra Ex 3.2 Question 1. Given that x > y. Fill in the blanks with suitable inequality signs. (i) y [ ] x (ii) x+ 6 [ ] y + 6 (iii) x2 [ … Read more
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 3 Algebra Ex 3.1 Tamilnadu Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 3 Algebra Ex 3.1 Question 1. Fill in the blanks. 1. (p – q)2 = _______ 2. The product of (x + 5) and (x – 5) is _______ 3. The factors of x2 – 4x … Read more
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 3 Algebra Intext Questions Tamilnadu Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 3 Algebra Intext Questions Exercise 3.1 Think (Text book Page No. 50) Question 1. Is it the only way to decompose the numbers representing length and breadth? Discuss. Solution: No, for example 15 can … Read more
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 2 Percentage and Simple Interest Additional Questions Tamilnadu Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 2 Percentage and Simple Interest Additional Questions Additional Questions and Answers Exercise 2.1 Question 1. 72% of 25 students are good at science. How many are not good at science? Solution: … Read more
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 2 Percentage and Simple Interest Ex 2.5 Tamilnadu Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 2 Percentage and Simple Interest Ex 2.5 Miscellaneous Practice Problems Question 1. When Mathi was buying her flat she had to put down a deposit of 1/10 of the value of the flat. … Read more
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 2 Percentage and Simple Interest Ex 2.4 Tamilnadu Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 2 Percentage and Simple Interest Ex 2.4 Question 1. Find the simple interest on ₹ 35,000 at 9% per annum for 2 years? Solution: Question 3. Sheela has paid simple interest … Read more
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 2 Percentage and Simple Interest Ex 2.3 Tamilnadu Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 2 Percentage and Simple Interest Ex 2.3 Question 1. 14 out of the 70 magazines at the bookstore are comedy magazines. What percentage of the magazines at the bookstore are comedy … Read more
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 2 Percentage and Simple Interest Ex 2.2 Tamilnadu Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 2 Percentage and Simple Interest Ex 2.2 Question 1. Write each of the following percentage as decimal. (i) 21 % (ii) 93.1 % (iii) 151 % (iv) 65 % (v) 0.64 … Read more