ML Aggarwal Class 9 Solutions Chapter 11 provides comprehensive guidance and step-by-step explanations for the concepts covered in this chapter Class 9 Mathematics. This chapter typically introduces fundamental mathematical concepts, laying the groundwor…

ML Aggarwal Class 9 Solutions Chapter 14 Chapter TestQuestion 1. (a) In the figure (1) given below, ABCD is a rectangle (not drawn to scale ) with side AB = 4 cm and AD = 6 cm. Find : (i) the area of parallelogram DEFC (ii)area of ∆EFG (b) In the figure…

ML Aggarwal Class 9 Solutions Chapter 7 Chapter TestSolve the following (1 to 3) equations : Question 1. (i) x(2x + 5) = 3 (ii) 3x2 – 4x – 4 = 0 Solution: (i) x(2x + 5) = 3 {∵ 2 ×(-3) = -6 ∴ – 6 = 6 × (-1) 5 = 6 – 1} ⇒ 2x2 + 5x – 3 = 0 ⇒ 2x2 + 6x – x – …

ML Aggarwal Class 9 Solutions Chapter 4 Chapter TestFactorize the following (1 to 12) Question 1. 15(2x – 3)3 – 10(2x – 3) Answer: (i) 15(2x – 3)3 – 10(2x – 3) = 5(2x – 3) [3(2x – 3)2 – 2] = 5(2x – 3)[3(2x – 3)2 – 2](ii) a(b – c) (b + c) – d (c – b) Ans…

ML Aggarwal Class 9 Solutions Chapter 3 Chapter TestQuestion 1. Find the expansions of the following : (i) (2x + 3y + 5) (2x + 3y – 5) (ii) (6 – 4a -7b)2 (iii) (7 – 3xy)3 (iv) (x + y + 2)3 Answer: (i) (2x + 3y + 5) (2x + 3y – 5) = [(2x + 3y) + 5] [(2x -3…

ML Aggarwal Class 9 Solutions Chapter 6 Chapter TestQuestion 1. A 700 gm dry fruit packcosts Rs. 216. It contains some almonds and the rest cashew kernel. If almonds cost Rs. 288 ‘per kg and cashew kernel cost Rs. 336 per kg, what are the quantities of …

ML Aggarwal Class 9 Solutions Chapter 11 Chapter TestQuestion 1. ABCD is a rhombus with P, Q and R as mid¬points of AB, BC and CD respectively. Prove that PQ ⊥ QR. Answer: Given : ABCD is a rhombus with P, Q and R as mid-points of AB, BC and CD respectiv…

ML Aggarwal Class 9 Solutions Chapter 13 Chapter TestP.Q. The interior angles of a polygon add upto 4320°. How many sides does the polygon have ? Answer: Sum of interior angles of a polygon = (2n – 4) × 90° ⇒ 4320° = (2n – 4) × 90° ⇒ \(\frac{4320^{\circ…

ML Aggarwal Class 9 Solutions Chapter 20 Chapter TestQuestion 1. Find the mean and the median of the following set of numbers : 8, 0, 5, 3, 2, 9, 1, 5, 4, 7, 2, 5 Answer: Arranging in descending order 0, 1, 2, 2, 3, 4, 5, 5, 5, 7, 8, 9 Here N = 12 which…

ML Aggarwal Class 9 Solutions Chapter 10 Chapter TestQuestion 1. In triangles ABC and DEF, ∠A = ∠D, ∠B = ∠E and AB = EF. Will the two triangles be congruent? Give reasons for your answer. Solution: In ∆ABC and ∆DEF ∠A = ∠D ∠B = ∠E AB = EF In ∆ABC, two an…