These solutions for Pair Of Linear Equations In Two Variables are extremely popular among class 10 students for Math Pair Of Linear Equations In Two Variables Solutions come handy for quickly completing your homework and preparing for exams. Answer: Let the present age of Aftab be x. If the number of girls is 4 more than the number of boys, find the number of boys and girls who took part in the quiz. Find the cost of one pencil and that of one pen. From the figure, it can be observed that these lines intersect each other at point 7, 3. Therefore, the number of girls and boys in the class are 7 and 3 respectively. Hence, the pair of linear equations is consistent. Hence, the pair of linear equations is inconsistent. Hence, the pair of linear equations is consistent. Hence, the pair of linear equations is consistent. Hence, the pair of linear equations is consistent. From the figure, it can be observed that these lines are overlapping each other. Therefore, infinite solutions are possible for the given pair of equations. Hence, the pair of linear equations is inconsistent. Hence, the pair of linear equations is consistent. From the figure, it can be observed that these lines are intersecting each other at the only point i. Hence, the pair of linear equations is inconsistent. We know that the sum of the measures of angles of a supplementary pair is always 180ยบ. According to the given information, From 1we obtain Substituting this value in equation 2we obtain Substituting this in equation 3we obtain Hence, the cost of a bat is Rs 500 and that of a ball is Rs 50. According to the given maths class 10 ncert solutions chapter 3, From equation 1we obtain Substituting this in equation 2we obtain Substituting this in equation 3we obtain Hence, the fraction is. According to the given information, From 1we obtain Substituting this value in equation 2we obtain Substituting this value in equation 3we obtain Hence, the present age of Jacob is 40 years whereas the present age of his son is 10 years. It becomes if we only add 1 to the denominator. Ten years later, Nuri will be twice as old as Sonu. How old are Nuri and Sonu. Also, nine times this number is twice the number obtained by reversing the order of the digits. She asked the cashier to give her Rs 50 and Rs 100 notes only. Meena got 25 notes in all. Find how many notes of Rs 50 and Rs 100 she received. Saritha paid Rs 27 for a book kept for seven days, while Susy paid Rs 21 for the book she kept for five days. Find the fixed charge and the charge for each extra day. Answer: maths class 10 ncert solutions chapter 3 Let the fraction be. Therefore, they will not intersect each other and thus, there will not be any solution for these equations. Therefore, they will intersect each other at a unique point and thus, there will be a unique solution for these equations. Therefore, they will intersect each other at a unique point and thus, there will be a unique solution for these equations. When a student A takes food for 20 days she has to pay Rs 1000 as hostel charges whereas a student B, who takes food for 26 days, pays Rs 1180 as hostel charges. Find the fixed charges and the cost of food per day. Had 4 marks been awarded for each correct answer and 2 marks been deducted for each incorrect answer, then Yash would have scored 50 marks. How many questions were there in the test. One car starts from A and another from B at the same time. If the cars travel in the same direction at different speeds, they meet in 5 hours. If they travel towards each other, they meet in 1 hour. What are the speeds of the two cars. If we increase the length by 3 units and the breadth by 2 units, the area increases by 67 square units. Find the dimensions of the rectangle. Answer: i Let x be the fixed charge of the food and y be the charge for food per day. According to the given information, Subtracting equation 1 from equation 2we obtain Putting this value in equation 1we obtain Hence, the fraction is. Answer: Let andthen the equations change as follows. Find her speed of rowing in still water and the speed of the current. Find the time taken by 1 woman alone to finish the work, and also that taken by 1 man alone. She takes 4 hours if she travels 60 km by train and remaining by bus. If she travels 100 km by train and the remaining by bus, she takes 10 minutes longer. Find the speed of the train and the bus separately. Either Biju is 3 years older than Ani or Ani is 3 years older than Biju. Let the age of Ani and Biju be x and y years respectively. Tell me what is the amount of their respective capital. Question 3: A train covered a certain distance at a uniform speed. Find the distance covered by the train. Answer: Let the number of rows be x and number of students in a row be y.