## Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method:(v) The area of a rectangle gets reduced by 9 square units, if its length is reduced by 5 units and breadth is increased by 3 units. 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. Q.4(5)

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The important question of Pair of linear equations in two variables chapter how i solve this question Form the pair ...Read more

## Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method:(iv) Places 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? Q.4(4)

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How i solve the question of class 10th math of Pair of linear equations in two variables. The exercise of ...Read more

## Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method:(iii) 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 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? Q.4(3)

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what is the best solution for the question of class10th math of exercise 3.5. Pair of linear equations in two ...Read more

## Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method:(ii) A fraction becomes 1/3 when 1 is subtracted from the numerator and it becomes 1/4 when 8 is added to its denominator. Find the fraction. Q.4(2)

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The solution of exercise3.5 10th math of question no.4 part 2 how i solve this question. Its fraction type question ...Read more

## Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method: (i) 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. Q.4(1)

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Yesterday i was solving this question but i can’t. I think this question is very important for class10th so please ...Read more

## Solve the following pair of linear equations by the substitution and cross-multiplication methods: 8x + 5y = 9 3x + 2y = 4 Q.3

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In board exams this is also an important question of math for class 10th. How i solve this important question. ...Read more

## For which values of a and b does the following pair of linear equations have an infinite number of solutions? 2x + 3y = 7 (a – b) x + (a + b) y = 3a + b – 2 (ii) For which value of k will the following pair of linear equations have no solution? 3x + y = 1 (2k – 1) x + (k – 1) y = 2k + 1 Q.2

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The important question of Pair of linear equations in two variables of class 10th math how i solve this question ...Read more

## 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. (i) x – 3y – 3 = 0 and 3x – 9y – 2 = 0 (ii) 2x + y = 5 and 3x + 2y = 8 (iii) 3x – 5y = 20 and 6x – 10y = 40 (iv) x – 3y – 7 = 0 and 3x – 3y – 15 = 0 Q.1

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How i solve all the portion of the class 10th math of exercise 3.5. Please help me solving all the ...Read more