Category: RD Sharma Class 10

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RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.12

RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.12 RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.12 Question 1. A takes 10 days less than the time taken by B to finish a piece of work. If both A and B together can finish the work in 12 days, find the time…

RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.11

RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.11 Question 1. The perimeter of a rectangular field is 82 m and its area is 400 m². Find the breadth of the rectangle. Solution: Perimeter of a rectangle field = 82 m Length + Breadth = = 41 m Let breadth = x m Length =…

RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.10

RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.10 RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.10 Question 1. The hypotenuse of a right triangle is 25 cm. The difference between the lengths of the other two sides of the triangle is 5 cm. Find the lengths of these sides. Solution: Length…

RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.9

RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.9 RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.9 Question 1. Ashu is x years old while his mother Mrs. Veena is x² years old. Five years hence Mrs. Veena will be three times old as Ashu. Find their present ages. Solution: Present age…

RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.8

RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.8 RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.8 Question 1. The speed of a boat in still water is 8 km/hr. It can go 15 km upstream and 22 km downstream in 5 hours. Find the speed of the stream. Solution: Let the…

RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.7

RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.7 RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.7 Question 1. Find two consecutive numbers whose squares have the sum 85. (C.B.S.E. 2000) Solution: Let first number = x Then second number = x + 1 According to the condition x² + (x +…

RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.6

RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.6 RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.6 Question 1. Determine the nature of the roots of following quadratic equations : (i) 2x² – 3x + 5 = 0 [NCERT] (ii) 2x² – 6x + 3 = 0 [NCERT] (iii) x² – x…

RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.5

RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.5 RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.5 Question 1. Write the discriminant of the following quadratic equations : (i) 2x² – 5x + 3 = 0 (ii) x² + 2x + 4 = 0 (iii) (x – 1) (2x – 1) =…