# Ncert solutions class 10 maths chapter 4 exercise 4 3. NCERT Solutions For Class 10 Maths Chapter 4 Quadratic Equations Ex 4.1 2018-07-24

Ncert solutions class 10 maths chapter 4 exercise 4 3 Rating: 8,6/10 1419 reviews

## Linear Equations in Two Variables : Exercise 4.3 (Mathematics NCERT Class 9th)

Hence, the pair of linear equations is consistent. Form the pair of linear equations in the following problems, and find their solutions if they exist by the elimination method: i If we add 1 to the numerator and subtract 1 from the denominator, a fraction reduces to 1. Find two consecutive positive integers, sum of whose squares is 365. The square of the smaller number is 8 times the large number. Find the roots of the following equations: i ii Ans. Prove that the points -3, -2 , 5, 0 , 4, 4 and -4, 2 are the vertices of a parallelogram without using the distance formula. Later, she buys 3 bats and 5 balls for Rs 1750.

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## NCERT Solutions for Class 10 Maths Exercise 4.3

A cottage industry produces a certain number of pottery articles in a day. Remember that the sum of angles of a triangle is 180 degrees. Take the lowest score to be l. She asked the cashier togive her Rs 50 and Rs 100 notes only. Later, she buys another bat and 3 more balls of the same kind for Rs 1300. If they travel towards each other, they meet in 1 hour. Half the perimeter of a rectangular garden, whose length is 4 m more than its width, is 36 m.

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## NCERT Solutions for Class 11 Maths Chapter 10 Straight Lines

Represent the following situations in the form of quadratic equations: i The area of a rectangular plot is 528 m 2. Register for our free webinar class with best mathematics tutor in India. What is the slope of a line passing through the origin and, the mid- point of the line- segment joining the two points O 0, -5 and A 9, 0? We need to find the length and breadth of the plot. After a month, the cost of 4 kg of apples and 2 kg of grapes is Rs 300. With an in-depth study of this chapter and solving of the problems will help the students to solve complex problems easily. Find the speed of the train. Find the values of k for each of the following quadratic equations, so that they have two equal roots.

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## NCERT Solutions for Class 10 Maths Exercise 4.3

We need to find the speed of the train. All Pair of Linear Equations in Two Variables Exercise Questions with Solutions to help you to revise complete Syllabus and Score More marks. Taking the distance covered as x km and total fare as Rs y, write a linear equation for this information and draw its graph. An express train takes 1 hour less than a passenger train to travel 132 km between Mysore and Bangalore without taking into consideration the time they stop at intermediate stations. And hence, the desired rectangular mango grove can be designed. Is it possible to design a rectangular park of perimeter 80 and area 400 m2? Find a quadratic polynomial each with the given numbers as the sum and product of its zeroes respectively. Class 10 Maths Chapter 4 Exercise 4.

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## NCERT Solutions for Class 10 Maths Exercise 4.3

Hence, the pair of linear equations is inconsistent. Let x be the first number, then second number will be x + 2. We need to find the integers. Page No: 33 Exercise 2. If total cost of production on that day was 750 rupees.

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## NCERT MATHS SOLUTION CLASS 7 EXERCISE 4.1

You may take their contributions as Rs x and Rs y. Find the roots of the quadratic equations given in Q. So any line passing through the point 2, 14 is an example of a linear equation for which 2, 14 is a solution. The tap of larger diameter takes 10 hours less than the smaller one to fill the tank separately. Find the speed of the stream. A train travels 360 km at a uniform speed. First the concepts are explained, and then the questions of the topic are solved - from easy to difficult.

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## Chapter 4 Class 10 Quadratic Equations

Hence, the pair of linear equations is consistent. Which of the following pairs of linear equations has unique solution, no solution or infinitely many solutions? Find the time in which each tap can separately fill the tank. If, the longer side is 30 metres more than the shorter side, find the sides of the field. Form a quadratic equation to solve this problem. Construct a quadrilateral in the Cartesian plane with vertices -2, 5 , 0, 6 , 4, -4 and -3, -1. There is a list with arrows. Page No: 91 Exercise 4.

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## NCERT Solutions for Class 10 Maths Chapter 4 Quadratic Equations

Draw the graph of the same. Before moving to maths solution class 7 exercise 4. According to the question, iv Places A and B are 100 km apart on a highway. . So, we will try to break the middle term in such a way, that 4x can be written in form of 2ax. Hence, the pair of linear equations is inconsistent. Therefore, the larger number will be 18 only.

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