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MP Board Class 9th Maths Solutions Chapter 10 Circles Ex 10.5 Question 1. In the figure, A, B and C are three points on a circle with centre O such that ∠BOC = 30° and ∠AOB = 60°. If D is a point on the circle other than the arc ABC, find ∠ADC. Solution: We … Read more

MP Board Class 7th Science Solutions Chapter 6 Physical and Chemical Changes Activities Activity 1 Make a list of eight changes you have noticed from your surroundings. Answer: The changes are as: Motion of fan Lighting of a tubelight Vaporisation of water Melting of ice Sound produced by radio Blooming of flower Changing of day … Read more

MP Board Class 9th Science Solutions Chapter 10 Gravitation Gravitation Intext Questions Gravitation Intext Questions Page No. 134 Question 1. State the universal law of gravitation. Answer: Suppose there are two objects having mass M and m respectively. The distance between their centres is equal to d. The force of attraction is F. Thus, F … Read more

MP Board Class 9th Maths Solutions Chapter 11 Constructions Ex 11.2 Question 1. Construct a triangle ABC in which BC = 7 cm, B = ∠75° and AB + AC = 13 cm. Solution: BC = 7 cm ∠B = 15° AB + BC = 13 cm. Question 2. Construct a triangle ABC in which … Read more

MP Board Class 9th Maths Solutions Chapter 10 Circles Ex 10.4 Question 1. Two circles of radii 5 cm and 3 cm intersect at two points and the distance between their centres is 4 cm. Find the length of the common chord. Solution: Given Let O and O1 be the centre of bigger and smaller … Read more

MP Board Class 12th Chemistry Solutions Chapter 1 The Solid State The Solid State NCERT Intext Exercises Question 1. Why are solids rigid ? Answer: Solids are rigid due to presence of strong inter- molecular forces between the constituent particles. Question 2. Why do solids have a definite volume ? Answer: In solids, the constituent … Read more

MP Board Class 7th Science Solutions Chapter 18 Wastewater Story Activities Activity – 1 We have given one example of the use of clean water. You can add many more? Answer: Activity – 2 Locates an open drain near your home, school or on the roadside and inspect water flowing through it? Record color, odour … Read more

MP Board Class 7th Science Solutions Chapter 5 Acids, Bases and Salts Acids, Bases and Salts Intext Questions Question 1. Can I taste all substances to find their taste? Answer: No, we should not taste unknown substances. They could harm us. Question 2. I am not getting the same result when using solid baking soda … Read more

MP Board Class 9th Maths Solutions Chapter 9 Areas of Parallelograms and Triangles Ex 9.3 Question 1. In Fig. given below E is any point on median AD of a ∆ABC. Show that ar (ABE) = ar (ACE). Solution: Given. E is any point on median AD of ∆ABC. To prove ar (ABE) = ar … Read more

MP Board Class 7th Science Solutions Chapter 17 Forests: Our Lifeline Forests: Our Lifeline Intex Questions Question 1. What would happen if forests disappear? Answer: If forests disappear, the amount of carbon dioxide in air will increase, resulting in the increase of earth’s temperature. In the absence of trees and plants, the animals will not … Read more

MP Board Class 9th Science Solutions Chapter 12 Sound Sound Intext Questions Sound Intext Questions Page No. 162 Question 1. How does the sound produced by a vibrating object in a medium reach your ear? Answer: When an object vibrates, it allows the particles of the medium around it to vibrate. It exerts force on … Read more

MP Board Class 9th Maths Solutions Chapter 10 Circles Ex 10.3 Question 1. Draw different pairs of circles. How many points does each pair have in common? What is the maximum number of common points? Solution: Let us draw different pairs of circles as shown below: We gave, In figure           Maximum … Read more

MP Board Class 7th Science Solutions Chapter 16 Water: A Precious Resource Activities Activity – 1 Given here is the rainfall map of India (Fig.) It gives the average annual rainfall in different regions of our country? Question 1. Are you blessed with sufficient rainfall? Answer: No. Question 2. Is there sufficient water available in … Read more

MP Board Class 9th Maths Solutions Chapter 10 Circles Ex 10.2 Question 1. Recall that two circles are congruent if they have the same radii. Prove that equal chords of congruent circles subtend equal angles at their centers. Solution: We have a circles having its centers at O and O’ two equal chords AB and … Read more

MP Board Class 9th Maths Solutions Chapter 10 Circles Ex 10.1 Question 1. Fill in the blanks: The center of a circle lies in …………of the circle. A point, whose distance from the center of a circle is greater then its radius lies in …………..of the circle. The longest chord of a circle is a … Read more