Sadhana Bhadoriya

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

Ex – 3.2 Que No. 3(iii) Q.3) Form the pair of linear equations for the following problems and find their solution by substitution method. (iii). The coach of a cricket team buys 7 bats and 6 balls for 3800. Later, she buys 3 bats and 5 balls for 1750. Find the cost of each bat

Ex – 3.2 Que No. 3(ii) Q.3) Form the pair of linear equations for the following problems and find their solution by substitution method. (ii). The larger of two supplementary angles exceeds the smaller by 18 degrees. Find them.

Ex – 3.2 Que No. 3(i) Q.3) Form the pair of linear equations for the following problems and find their solution by substitution method. (i). The difference between two numbers is 26 and one number is three times the other. Find them.

Ex – 3.2 Que No. 2 Q.2) Solve 2x + 3y = 11 and 2x – 4y = – 24 and hence find the value of ‘m’ for which y = mx + 3.

Ex – 3.2 Que No. 1(vi) Q.1) Solve the following pair of linear equations by the substitution method (vi). 3/2 x – 5/3 y = -21/3 x – 1/2 y = 13/6

Ex – 3.2 Que No. 1(v) Q.1) Solve the following pair of linear equations by the substitution method (v). √2 x + √3 y = 0√3 x – √8 y = 0

Ex – 3.2 Que No. 1(iv) Q.1) Solve the following pair of linear equations by the substitution method (iv). 0.2x + 0.3y = 1.30.4x + 0.5y = 2.3

Ex – 3.2 Que No. 1(iii) Q.1) Solve the following pair of linear equations by the substitution method (iii). 3x – y = 3 9x – 3y = 9