NCERT Exemplar Class 10 Maths Chapter 1 Real Numbers - Learn CBSE
NCERT Exemplar introduces twists Ncert Exemplar Class 10 Maths Ch 10 An Ncert Exemplar Class 10 Maths Ch 10 An in questions and has questioned a level higher than normal NCERT textbook. These are also called HOTS (Higher Order Thinking Skills) questions, which are important for many examinations. Start with the NCERT Ncert Exemplar Class 10 Maths Ch 10 An to cl � You can download NCERT exemplar for class 10 maths solutions in PDF format. These NCERT Exemplars are also available in the myCBSEguide website and mobile app for free. Real Numbers. Download NCERT Exemplar Solutions for CBSE Class 10 Mathematics Real Numbers Euclid's division lemma, Fundamental Theorem ofArithmetic - statements after reviewing work done earlier and after illustrating and motivating through examples, Proofs of irrationality. NCERT Exemplar Class 10 is a very important resource for students preparing for the Examination. It contains objective, very short answer type, short answer type, and long answer type questions for all subjects of Class Along with it, the answer for each question has Class Maths An Exemplar Ch 10 Ncert 10 also been provided. For more information regarding NCERT Exemplar Class 10, candidates can check below. NCERT Ncert Exemplar Class 10 Maths Ch 10 An Ch Ncert 10 10 An Class Exemplar Maths Ncert Exemplar Class 10 Maths Ch 10 An Exemplar Class With the help of the NCERT Exemplar for Class 10, candidates can get a deep understanding of the concepts of Class 10th subjects. It will also help the students to 10 Ch Maths Exemplar Ncert Class An 10 prepare for other competitive exami. Download NCERT Exemplar Problems for Class 10 Mathematics with Solutions, Free Ncert Exemplar Class 10 Maths Ch 10 An download latest Exemplar Solutions for questions for Mathematics NCERT Exemplar booklet. Get topic wise solutions. Download Ncert Exemplar Class 10 Maths Ch 10 An Mathematics NCERT Exemplar Solutions in pdf free.� Exemplar Problems for Mathematics are strongly recommended by Ncert Exemplar Class 10 Maths Ch 10 An teachers as it covers all Exemplar Solutions for Class 10 Mathematics important topic wise questions. On this Ncert Exemplar Class 10 Maths Ch 10 An Ncert Exemplar Class 10 Maths Ch 10 An link you will get free access to all NCERT Exemplar Problems for Class 10 Mathematics for all topics, Download Exemplar Solutions for Class 10 Mathematics and download in pdf free.
B intersecting at exactly two points. C coincident. D parallel. Question 3 If a pair of linear equations Ncert Class 10 Exemplar Ch 10 Maths An is consistent, then the lines will be A parallel B always coincident C intersecting or coincident An 10 Maths 10 Ncert Ch Exemplar Class Ncert Exemplar Class 10 Maths Ch 10 An D always intersecting Solution: C A pair Ncert Exemplar Class 10 Maths Byjus China of linear equations is consistent if these exists a Ncert Exemplar Class 10 Maths Ch 10 An solution.
Since from the graph, both lines are parallel. So, they have no solution. So, there exists no value of c for which given equations have infinitely many solutions. For option B , Ncert Exemplar Class 10 Maths Ch 10 An L. For option C L. For option D. The present ages, in years of the son and the father are, respectively A 4 and 24 B 5 and 30 C 6 and 36 D 3 and 24 Solution: C Let the present age of father is x year and the present age of son is y year.
Question 1 Do the following pair of Ncert Exemplar Class 10 Maths Ch 10 An linear equations have no solution? Justify your answer. Question 2 Do the following equations represent a pair of coincident lines? Given pair of linear equations are So, the given pair of linear equations has unique solution. Given pair of linear equations are So, the given pair of linear Ncert Exemplar Class 10 Maths Ch 10 An equations has no solution. Question 3 Are the following pair of linear equations consistent? Given pair of linear equations arc So, the given pair of linear equations has unique solution, i.
Is Ncert Exemplar Class 10 Maths Ch 10 An the statement true? Give reasons. Solution: No. Justify whether it is true or false. Hence, for any Ncert Exemplar Class 10 Maths Ch 10 An value of c, the system of linear equations does not have a unique solution. Justify whether Ncert Exemplar Class 10 Maths Ch 10 An the statement is true or not. Question 3 For which values of a and b will Ncert Exemplar Class 10 Maths Ch 10 An Ncert Exemplar Class 10 Maths Ch 10 An the following pair of linear equations have infinitely many solutions? Hence, required values of a and b are 3 and 1 respectively for which the given pair of linear equations has infinitely Ncert Exemplar Class 10 Maths Ch 10 An many solutions.
Check whether the paths cross each other or not. Hence, two straight paths represented by the given equations never cross each other, because they are parallel to each other. How Ncert Exemplar Class 10 Maths Ch 10 An many such pairs can you write? Hence, infinitely many pairs of linear equations are possible. Question Ncert Exemplar Class 10 Maths Ch 10 An Ncert Exemplar Class 10 Maths Ch 10 An 8 Find the values of x and y in the following rectangle see figure. Solution: By Ncert Exemplar Class 10 Maths Ch 10 An property of rectangle, Lengths are equal i. Question 11 By the graphical method, find whether the Ncert Exemplar Class 10 Maths Ch 10 An following pair of equations are consistent or not.
If consistent, solve them. Hence, given pair of linear equations are consistent. Therefore, it has no solution. So, the given pair of lines is inconsistent. Therefore, these lines have infinitely many solutions. Hence, the given pair of linear equations are consistent. We observe that the lines represented by i and ii are coincident. Write the vertices of the triangle formed by these lines and the y-axis. Also, find the area of this Ncert Exemplar Class 10 Maths Ch 10 An triangle?
How many such lines can we find? Therefore, the pair of equations has a unique Ncert An Ch Class Exemplar Maths 10 10 solution. Hence, these equations are consistent.
Find x and y. Question 16 Two years ago, Salim was Ch 10 10 Exemplar Maths Ncert Class An thrice as old as his daughter and six years later, he will be four years older than twice her age.
How old are they now? Now, by first condition, Two years ago, Ncert Exemplar Class 10 Maths Ch 10 An Ncert Exemplar Class 10 Maths Ch 10 An Salim was thrice as old as his daughter. Question 17 The age of the father is twice the sum of the ages of his two children. After 20 years, his age will be equal to the sum of the ages of his children.
Find the age of the father. Solution: Let the present age in year of father and his two children be x, y and z years, respectively. Question 18 Two number are in the ratio 5 : 6, If 8 is subtracted from each of the numbers, the ratio becomes 4 : 5.
Find the numbers. Solution: Let the two numbers be x and y. Question 19 There are some students in Ncert Exemplar Class 10 Maths Ch 10 An Ncert Exemplar Class 10 Maths Ch 10 An the two examination halls A and B. To make the number of students equal in each hall, 10 students are sent from A to 8. But if 20 students are sent from B to A, the number of students in A becomes double the number of students in B. Find the number of students in the two halls. Solution: Let the number of students Ncert Exemplar Class 10 Maths Ch 10 An 10 Exemplar Ncert Class 10 Ch Maths An Ncert Exemplar Class 10 Maths Ch 10 An in halls A and B are x and y respectively.
Question 20 A shopkeeper gives books on rent for reading. She takes a fixed charge for the first two days, and an additional charge for each day thereafter. Find the fixed charges and the charge for each extra day. Jayanti answered questions and got 90 marks. How many questions did she answer correctly? Solution: Let the number of correct answers be x then the number of wrong answers be � x Then, by given condition, Hence, Jayanti answered correctly questions.
Find x and y and hence the values of the four angles. Also find the area of the quadrilateral formed by the lines and the x-axis. Now, from the graph ABCD is the quadrilateral formed by given lines and x � axis. Form the pair of linear equations for the above situation.
Find the cost Ncert Exemplar Class 10 Maths Ch 10 An of a pen and a pencil box. On solving lines i and ii , we will get Ncert Exemplar Class 10 Maths Ch 10 An the intersecting point B On multiplying eq. On solving lines iii and i , we will get the intersecting point A On multiplying in eq. Question 6 Ankita travels 14 km to her Ncert Exemplar Class 10 Maths Ch 10 An home partly by rickshaw and partly by bus. She takes half an hour, if she travels Ncert Exemplar Class 10 Maths Ch 10 An Ncert Exemplar Class 10 Maths Ch 10 An 2 km by rickshaw, and the remaining distance by bus.
On the other hand, if she travels 4 km by rickshaw and the remaining distance by bus, she takes 9 minutes longer. Find the speed of the rickshaw and of the bus. Now, time taken to travel 2 km by rickshaw, and time taken to travel remaining distance i. Find the speed of the stream. Question 8 A motorboat can travel 30 km upstream and 28 km downstream in 7 10 Class Maths 10 An Ch Ncert Exemplar hours. It can travel 21 km upstream and return in 5 hours. Find the speed of Ncert Exemplar Class 10 Maths Ch 10 An Ncert Exemplar Class 10 Maths Ch 10 An the boat in still water and the speed of the stream. Question 9 A two-digit number is obtained by either multiplying the sum of the digits by 8 and then subtracting 5 or by multiplying the difference of the digits by 16 and then adding 3.
Find the number. Question 10 A railway half ticket costs half the full fare, but the reservation charges are Ncert Exemplar Class 10 Maths Ch 10 An the same on a half ticket as on a full ticket. One reserved first class ticket from the stations. Find the full first class fare from station A to 8 and also Ncert Exemplar Class 10 Maths Ch 10 An the reservation charges for a ticket. Find the cost price of the saree and the list price price before discount of the sweater.
How much money did she invest in each scheme? Question 13 Vijay had some bananas, and he divided them into two lots A and B. Find the total number of bananas he had. Solution: Let the number of bananas in lots Ncert Exemplar Class 10 Maths Ch 10 An Ncert Exemplar Class 10 Maths Ch 10 An A and B be x and y respectively. For option D L. Exercise 3.
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