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NCERT Solutions For Class 10 Maths Chapter 7 Coordinate Geometry Ex

All the questions are compulsory. The question paper consists of 40 questions divided into four sections A, B, C and D. Section A comprises of 20 questions of 1 mark. Section B comprises ch 7 maths class 10 ex 7.1 ed 6 questions of 2 marks. Section C comprises if 8 questions of 3 marks.

Section D comprises of 6 questions of 4 marks. There is no overall choice. However, an internal mathd has been provided in two questions of 1 marks each, two questions of 2 marks each, three questions of 3 marks each and three questions of 4 marks. You have to attempt only one of the alternatives in all such questions. Use of calculators is not permitted. Section - A Q 1 - Q 10 are multiple choice questions.

Select the most appropriate answer Ch 7 Maths Class 10 Ex 7.1 Chemistry from the given options. The product of a non-zero rational and an irrational number is : [1] a always irrational b always rational c rational or irrational d one Solution: a Explanation: The product of a non-zero rational with and an irrational number is always irrational. Which of the following is a quadratic equation?

OR Correct option: a Explanation: The perpendicular bisector of any line segment always passes through the mid - point of the line segment. Solution: d Explanation: Since, quadrilateral circumscribing a circle subtends supplementary angles at the centre of the circle. OR Correct option: c Explanation: As the probability of an event lies between 0 and claxs.

Q 11 - Q 15 Fill in the blanks A monomial has On your computer, claes Chrome. At the top right, 3 dots click More Bookmarks. To open bookmarks faster, use the bookmarks bar. Your bookmarks will show under the cch bar. Click a bookmark to open it. If the radius of the base of a right circular cylinder is halved, keeping the height same, then the ratio of the volume of the reduced ch 7 maths class 10 ex 7.1 ed to that of the original cylinder is If the length of each diagonal of a cube is doubled, then its volume matns Q 16 - Q 20 Ch 7 maths class 10 ex 7.1 ed the following: What type of decimal expansion does a rational number has?

How can you distinguish it from decimal expansion of irrational numbers? An irrational number has its decimal expansion non-repeating and non-terminating.

What is the ratio in which AB is divided? What is the perimeter of the sector with radius If the median of a series exceeds the mean by 3, find by what number the mode exceeds its mean? Section - B Complete the following factor tree and find the composite number x. Hence Proved. ED FC In the fig. The data regarding marks obtained by 48 students of a class in a class test is given.

Calculate the modal marks of ch 7 maths class 10 ex 7.1 ed. OR Find the unknown values in the following table : [2] Class Interval Frequency Cumulative Frequency 5 5 7 x1 x2 18 5 X3 x4 Section - C 1 Out of this money, he donated some amount to a child who was studying in the light of a street lamp. Find how much amount of money he must have so that he is able to buy exact and maximum number of boxes from the market. It is done by 4 men and 4 boys in 3 days.

How long would it take for one man or one boy to do it? Find the roots of the equation so obtained. In an A. Find the 25th term. ABC is a triangle. PQ and Classs are two parallel tangents to a circle with centre O. In a single throw of a pair of different dice, what is the probability of getting [3] i a prime number on each dice? OR 1 The probability of selecting a red ball at random from a jar that contains only red, 01 and orange balls is 4 1.

The probability of selecting a blue balls at random from the same jar is. If the jar contains 10 orange 3 balls, find the total number of ball in the jar. Two water taps together rd fill a tank in 1 hours. The tap with longer mxths takes 2 hours less than 8 the tap with smaller one to fill the tank separately.

Find the time in which tap can fill the tank separately. Point A -1, y and B 5, 7 lie on a circle with centre O 2, -3y.

Find the values of y. Hence find the radius of the circle. Construct an isosceles triangle whose base is 6 cm and altitude 4 cm. Then construct another triangle 3 with sides are times the corresponding sides of the isosceles triangle. Steps of Constructions : 1. Join A to B and C. Draw a ray BX making an acute angle with BC. Join B4C. If from the mid-point of the line segment joining their feet, an observer finds the angles of elevation of their tops to be complementary, then clss the height of the shorter post.

Let M be the mid-point of CA. A ch 7 maths class 10 ex 7.1 ed open at the top is in the form of a frustum of a cone with a capacity of ch 7 maths class 10 ex 7.1 ed The radii of the top and bottom of circular ends of the bucket are 20 cm and 12 cm, respectively.

Find the height of the bucket and also the area of the metal mathss used in making it. Find the area of the shaded region. This has also been done in accordance with the marking scheme usually followed by the Board. Preparation for Board examinations is incomplete without reading these books and doing the exercises given in. Care has been taken that the answers to the questions are written in a proper form and as per the marking scheme suggested by the CBSE.

With the aim of imbibing skills and hard work among the students, the solutions has been designed. Open navigation menu. Close suggestions Search Search. User Settings. Skip carousel. Carousel Previous. Carousel Next. What is Scribd? Class 10 Maths Standard 7. Uploaded by Girraj Yadav. Did you find this document useful?

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Find the coordinates of the points which divide the line segment joining A -2, 2 and B 2, 8 into four equal parts. The coordinates of the mid point P of the line segment joining the points A x 1 , y 1 and B x 2 , y 2 is. Find the distance between the following pairs of points: i 2, 3 , 4, 1 ii -5, 7 , -1, 3 iii a, b , -a, -b Solution: Ex 7. Find the coordinates of a point A, where AB is the diameter of a circle whose centre is 2, -3 and B is 1, 4. Find the distance between the following pairs of points: i 2, 3 , 4, 1 ii -5, 7 , -1, 3 iii a, b , -a, -b Solution:. Solution: The blue flag is in the 5th line, at a distance of Exercise 7.

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