Class 10 Maths NCERT Solutions Chapter 3: Pair of Linear Equations in Two Variable is developed and witten by our expert teachers. Students can study our solutions of Chapter 3: Pair of Linear Equations in Two Variable class 10 Maths, Question 1. 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 ; 3x – 9y – 2 =0 (ii)2x + y = 5 ; 3x +2y =8 (iii)3x – 5y = 20 ; 6x – 10y =40 (iv)x – 3y – 7 = 0 ;3x – 3y – 15= 0, Question 2. (i) 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, Question 3. Solve the following pair of linear equations by the substitution and cross-multiplication methods: 8x +5y =9 …(1) 3x +2y =4 …(2), Quesiton 4. 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 Atakes food for 20 days she has to pay Rs 1000 as hostel charges whereas a student B, who takes food for 26 days, paysRs 1180 as hostel charges. Find the fixed charges and the cost of food per day. (ii) Afracti.
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Question 1. 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.
