Sadhana Bhadoriya

Ex – 3.3 Que No. 2(iii) Q.2) Form the pair of linear equations in the following problems, and find their solutions (if they exist) by the elimination method : (iii). The sum of the digits of a two-digit number is 9. Also, nine times this number is twice the number obtained by reversing the order […]

Ex – 3.3 Que No. 2(ii) Q.2) Form the pair of linear equations in the following problems, and find their solutions (if they exist) by the elimination method : (ii). Five years ago, Nuri was thrice as old as Sonu. Ten years later, Nuri will be twice as old as Sonu. How old are Nuri

Ex – 3.3 Que No. 2(i) Q.2) Form the pair of linear equations in the following problems, and find their solutions (if they exist) by the elimination method : (i). If we add 1 to the numerator and subtract 1 from the denominator, a fraction reduces to 1. It becomes 1/2 if we only add

Ex – 3.3 Que No. 1(iv) Q.1) Solve the following pair of linear equations by the elimination method and the substitution method : (iv). x/2 + 2y/3 = -1 and x – y/3 = 3 Solution: By The Elimination Method Solution: By The Substitution Method

Ex – 3.3 Que No. 1(iii) Q.1) Solve the following pair of linear equations by the elimination method and the substitution method : (iii). 3x – 5y – 4 = 0 and 9x = 2y + 7 Solution: By The Elimination Method Solution: By The Substitution Method

Ex – 3.3 Que No. 1(ii) Q.1) Solve the following pair of linear equations by the elimination method and the substitution method : (ii). 3x + 4y = 10 and 2x – 2y = 2 Solution: By The Elimination Method Solution: By The Substitution Method

Ex – 3.3 Que No. 1(i) Q.1) Solve the following pair of linear equations by the elimination method and the substitution method : (i). x + y = 5 and 2x – 3y = 4 Solution: By The Elimination Method Solution: By The Substitution Method

Ex – 3.2 Que No. 3(vi) Q.3) Form the pair of linear equations for the following problems and find their solution by substitution method. (vi). Five years hence, the age of Jacob will be three times that of his son. Five years ago, Jacob’s age was seven times that of his son. What are their

Ex – 3.2 Que No. 3(v) Q.3) Form the pair of linear equations for the following problems and find their solution by substitution method. (v). A fraction becomes 9/2, if 2 is added to both the numerator and the denominator. If, 3 is added to both the numerator and the denominator it becomes 5/6. Find

Ex – 3.2 Que No. 3(iv) Q.3) Form the pair of linear equations for the following problems and find their solution by substitution method. (iv). The taxi charges in a city consist of a fixed charge together with the charge for the distance covered. For a distance of 10 km, the charge paid is 105