Exercise 3.5

Sahay Sir > Question Answers > NCERT Class 10 > Maths > Chapter 3 - Pair of Linear Equations in Two Variables > Exercise 3.5
The area of a rectangle gets reduced by 9 square units if its length is reduced by 5 units and the breadth is increased by 3 units. If we increase the length by 3 units and breadth by 2 units, the area is increased by 67 square units. Find the dimensions of the rectangle.
03
Oct
The area of a rectangle gets reduced by 9 square units if its length is reduced by 5 units and the breadth is increased by 3 units. If we increase the length by 3 units and breadth by 2 units, the area is increased by 67 square units. Find the dimensions of the rectangle. the [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.5 , Maths , NCERT Class 10 ,
Tags: the area is increased by 67 square units. Find the dimensions of the rectangle. , The area of a rectangle gets reduced by 9 square units if its length is reduced by 5 units and the breadth is increased by 3 units. If we increase the length by 3 units and breadth by 2 units ,
Place A and B are 100 km apart on a highway. 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?
03
Oct
Place A and B are 100 km apart on a highway. 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 [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.5 , Maths , NCERT Class 10 ,
Tags: Place A and B are 100 km apart on a highway. 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? ,
Yash scored 40 marks in a test, getting 3 marks for each right answer and losing 1 mark for each wrong answer. Had 4 marks been awarded 4 marks 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?
03
Oct
Yash scored 40 marks in a test, getting 3 marks for each right answer and losing 1 mark for each wrong answer. Had 4 marks been awarded 4 marks 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 [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.5 , Maths , NCERT Class 10 ,
Tags: getting 3 marks for each right answer and losing 1 mark for each wrong answer. Had 4 marks been awarded 4 marks 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? , Yash scored 40 marks in a test ,
A fraction becomes 1/3 when 1 is subtracted from its numerator and it becomes 1/4 when 8 is added to its denominator. Find the fraction
03
Oct
A fraction becomes 1/3 when 1 is subtracted from its numerator and it becomes 1/4 when 8 is added to its denominator. Find the fraction A fraction becomes 1/3 when 1 is subtracted from its numerator and it becomes 1/4 when 8 is added to its denominator. Find the fraction October 3, 2020 Category: Chapter [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.5 , Maths , NCERT Class 10 ,
Tags: A fraction becomes 1/3 when 1 is subtracted from its numerator and it becomes 1/4 when 8 is added to its denominator. Find the fraction ,
A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess.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.
03
Oct
A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess.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 [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.5 , Maths , NCERT Class 10 ,
Tags: A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess.When a student A takes food for 20 days , pays Rs.1180 as hostel charges.Find the fixed charges and the cost of food per day. , she has to pay Rs.1000 as hostel charges whereas a student B , who takes food for 26 days ,
Solve the following pair of linear equations by the substitution and cross-multiplication methods : 8x + 5y = 9, 3x + 2y = 4
03
Oct
Solve the following pair of linear equations by the substitution and cross-multiplication methods : 8x + 5y = 9, 3x + 2y = 4 3x + 2y = 4 Solve the following pair of linear equations by the substitution and cross-multiplication methods : 8x + 5y = 9 October 3, 2020 Category: Chapter 3 - [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.5 , Maths , NCERT Class 10 ,
Tags: 3x + 2y = 4 , Solve the following pair of linear equations by the substitution and cross-multiplication methods : 8x + 5y = 9 ,
Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions. In case there is a unique solution, find it by using cross multiplication method. 3x- 5y = 20, 6x – 10y = 40
03
Oct
Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions. In case there is a unique solution, find it by using cross multiplication method. 3x- 5y = 20, 6x – 10y = 40 6x - 10y = 40 find it by using cross multiplication method. 3x- 5y = [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.5 , Maths , NCERT Class 10 ,
Tags: 6x - 10y = 40 , find it by using cross multiplication method. 3x- 5y = 20 , no solution , or infinitely many solutions. In case there is a unique solution , Which of the following pairs of linear equations has unique solution ,
Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions. In case there is a unique solution, find it by using cross multiplication method. 2x +y = 5, 3x + 2y = 8
03
Oct
Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions. In case there is a unique solution, find it by using cross multiplication method. 2x +y = 5, 3x + 2y = 8 3x + 2y = 8 find it by using cross multiplication method. 2x +y = [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.5 , Maths , NCERT Class 10 ,
Tags: 3x + 2y = 8 , find it by using cross multiplication method. 2x +y = 5 , no solution , or infinitely many solutions. In case there is a unique solution , Which of the following pairs of linear equations has unique solution ,
Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions. In case there is a unique solution, find it by using cross multiplication method.
03
Oct
Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions. In case there is a unique solution, find it by using cross multiplication method. find it by using cross multiplication method. no solution or infinitely many solutions. In case there is a unique solution Which of the following [...]
Posted in: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.5 , Maths , NCERT Class 10 ,
Tags: find it by using cross multiplication method. , no solution , or infinitely many solutions. In case there is a unique solution , Which of the following pairs of linear equations has unique solution ,