(i)  The difference between two numbers is 26 and one number is three times the other. Find them. (ii)  The larger of two supplementary angles exceeds the smaller by 18 degrees. Find them. (iii)  The coach of a cricket team buys 7 ...

(i) x+y=5, 2x+2y=10 (ii) x–y=8,  3x–3y=16 (iii) 2x+y–6=0, 4x–2y–4=0 (iv) 2x–2y–2=0, 4x–4y–5=0

i) intersecting lines (ii) parallel lines (iii) coincident lines

(i) 5x–4y+8=0.         7x+6y–9=0         (ii) 9x+3y+12=0                           18x+6y+24=0 (iii) 6x–3y+10=0         2x–y+9=0

(i) 10 students of Class X took part in a Mathematics quiz. If the number of girls is 4 more than the number of boys, find the number of boys and girls who took part in the quiz. (ii) 5 pencils ...