Chapter 3 Arithmetic Progression Set 3.3
Chapter 3 Arithmetic Progression Set 3.3 Chapter 3 Arithmetic Progression Set 3.3 Question 1.First term and common difference of an A.P. are 6 and 3 respectively; find S27.Solution: Question 2.Find…
Chapter 3 Arithmetic Progression Set 3.2
Chapter 3 Arithmetic Progression Set 3.2 Chapter 3 Arithmetic Progression Set 3.2 Question 1.Write the correct number in the given boxes from the following A.P.Solution: Question 2.Decide whether following sequence is an…
Chapter 3 Arithmetic Progression Set 3.1
Chapter 3 Arithmetic Progression Set 3.1 Chapter 3 Arithmetic Progression Set 3.1 Question 1.Which of the following sequences are A.P.? If they are A.P. find the common difference.Solution: i. The…
Chapter 2 Quadratic Equations Set 2
Chapter 2 Quadratic Equations Set 2 Chapter 2 Quadratic Equations Set 2 Question 1.Choose the correct answers for the following questions. i. Which one is the quadratic equation?Answer: (B) ii.…
Chapter 2 Quadratic Equations Set 2.6
Chapter 2 Quadratic Equations Set 2.6 Chapter 2 Quadratic Equations Set 2.6 Question 1.Product of Pragati’s age 2 years ago and years hence is 84. Find her present age.Solution: Let…
Chapter 2 Quadratic Equations Set 2.5
Chapter 2 Quadratic Equations Set 2.5 Chapter 2 Quadratic Equations Set 2.5 Question 1.Fill in the gaps and complete.Answer: Question 2.Find the value of discriminant.i. x2 + 7x – 1 =…
Chapter 2 Quadratic Equations Set 2.4
Chapter 2 Quadratic Equations Set 2.4 Chapter 2 Quadratic Equations Set 2.4 Question 1.Compare the given quadratic equations to the general form and write values of a, b, c.i. x2 –…
Chapter 2 Quadratic Equations Set 2.3
Chapter 2 Quadratic Equations Set 2.3 Chapter 2 Quadratic Equations Set 2.3 Question 1.Solve the following quadratic equations by completing the square method.1. x2 + x – 20 = 02. x2 +…
Chapter 2 Quadratic Equations Set 2.2
Chapter 2 Quadratic Equations Set 2.2 Chapter 2 Quadratic Equations Set 2.2 Question 1.Solve the following quadratic equations by factorisation.i. x2 – 15x + 54 = 0ii. x2 + x – 20…
Chapter 2 Quadratic Equations Set 2.1
Chapter 2 Quadratic Equations Set 2.1 Chapter 2 Quadratic Equations Set 2.1 Question 1.Write any two quadratic equations.Solution: i. y2 – 7y + 12 = 0 ii. x2 – 8 = 0…