MP Board Class 9th Maths Solutions Chapter 8 Quadrilaterals Ex 8.2 Question 1. ABCD is quadrilateral in which P, Q, R and S are mid-point^jf the sides AB, BC, CD and DA (see Fig.). AC is a diagonal. Show that: SR ∥ AC and SR = AC PQ = SR PQRS is a parallelogram. Solution: … Read more
MP Board Class 9th Science Solutions Chapter 8 Motion Motion Intext Questions Motion Intext Questions Page No. 100 Question 1. An object has moved through a distance. Can it have zero displacement? If yes, support your answer with an example. Answer: Yes, if an object start from a point and finally, reaches the same point. … Read more
MP Board Class 9th Maths Solutions Chapter 8 Quadrilaterals Ex 8.1 Question 1. The angles of quadrilateral are in the ratio 3 : 5 : 9 : 13. Find all Ijbe angles of the quadrilateral. Solution: ∠A = 3x, ∠B = 5x, ∠C = 9x, ∠D = 13x In quadrilateral ABCD ∠A + ∠B + … Read more
MP Board Class 9th Maths Solutions Chapter 7 Triangles Ex 7.4 Question 1. Show that in a right angled triangle, the hypotenuse is the longest side. Solution: Given ABC is a right angle A. To prove: AC > AB and AC > BC Proof: In ∆ABC ∠B = 90° ∴ ∠A + ∠C = 90° … Read more
MP Board Class 9th Maths Solutions Chapter 7 Triangles Ex 7.3 Question 1. ∆ABC and ∆DBC are two isosceles triangles on the same base BC and vertices A and D are on the same side of BC (see Fig. below). If AD is extended to intersect BC at P, show that ∆ABD = ∆ACD ∆ABP … Read more
MP Board Class 9th Science Solutions Chapter 9 Force and Laws of Motion Force and Laws of Motion Intext Questions Force and Laws of Motion Intext Questions Page No. 118 Question 1. Which of the following has more inertia: a rubber ball and a stone of the same size? a bicycle and a train? a … Read more
MP Board Class 9th Maths Solutions Chapter 7 Triangles Ex 7.2 Question 1. In an isosceles triangle ABC, with AB = AC, the bisectors of ∠B and ∠C intersect each other at O. Join A to O. Show that: OB = OC AO bisect ∠A. Solution: Given AB = AC ∠1 = ∠2, ∠3 = … Read more
MP Board Class 9th Science Solutions Chapter 7 Diversity in Living Organisms Diversity in Living Organisms Intext Questions Diversity in Living Organisms Intext Questions Page No. 80 Question 1. Why do we classify organisms? Answer: Classification of organism make it easy to study the millions of organisms on this earth. Similarities among them is the … Read more
MP Board Class 9th Maths Solutions Chapter 7 Triangles Ex 7.1 Question 1. In quadrilateral ABCD, AC = AD and AB bisects ∠A (see below). Show that ∆ABC = ∆ABD. What can you say about BC and BD? Solution: Given AC = AD AB is the bisector of ∠A i. e., ∠1 = ∠2 To … Read more
MP Board Class 9th Science Solutions Chapter 6 Tissues Tissues Intext Questions Tissues Intext Questions Page No. 69 Question 1. What is a tissue? Answer: A group of cells that are similar in structure and / or work together to achieve a particular function form a tissue. Question 2. What is the utility of tissues … Read more
MP Board Class 9th Maths Solutions Chapter 6 Lines and Angles Ex 6.3 Question 1. In Fig. given below, sides QP and RQ of ∆PQR are produced to points S and T respectively. If ∠SPR = 135° and ∠PQT = 110°, find ∠PRQ. Solution: Given ∠SPR = 135° ∠PQT = 110° To find. ∠PRQ Calculation: … Read more
MP Board Class 9th Maths Solutions Chapter 6 Lines and Angles Ex 6.2 Question 1. In Fig. given below, find the values of x and y and then showthat AB ∥ CD. Solution: ∠y = 130° (VOA’s) x + 50° = 180° (LPA’) ∴ x = 180° – 50° = 130° ∠x and ∠y are … Read more
MP Board Class 9th Science Solutions Chapter 5 The Fundamental Unit of Life The Fundamental Unit of Life Intext Questions The Fundamental Unit of Life Intext Questions Page No. 59 Question 1. Who discovered cells and how? Answer: Robert Hooke (1665), by chance observed a slice of cork through a self designed microscope. He observed … Read more
MP Board Class 9th Maths Solutions Chapter 6 Lines and Angles Ex 6.1 Question 1. In the given fig., lines AB and CD intersect at O. If ∠AOC + ∠BOE = 70° and ∠BOD = 40°, find ∠BOE and reflex ∠COE. Solution: Given ∠AOC + ∠BOE = 70° ∠BOD = 40° To find: ∠BOE and … Read more
MP Board Class 9th Science Solutions Chapter 4 Structure of the Atom Structure of the Atom Intext Questions Structure of the Atom Intext Questions Page No. 47 Question 1. What are canal rays? Answer: Canal rays are positively charged radiations which led to the discovery of positively charged sub-atomic particle called proton. These rays were … Read more