The larger of two supplementary angles exceeds the smaller by 18 degrees. Find them.
98°, 80°
99°, 81°
118°, 100°
100°, 80°
The difference between two numbers is 26 and one number is three times the other number. Find them.
39, 13
30, 10
40, 14
30, 40
The condition for the following system of linear equations to have a unique solution is
ax + by = c
lx + my = n
am = bl
am ≠ bl
al = bm
al ≠ bm
The pair of equationsx = 0y = 0represents
parallel lines
coincident lines
perpendicular lines
non - intersecting lines
Solutions of the equations x - y = 3, x + y = 5 are
x = 4, y = 1
x = 4, y = -1
x = 1, y = 4
x = 1, y = -4
If the pair of linear equations 2x - y -3 = 0, 2kx + 7y - 5 = 0 has a unique solution x = 1, y = -1, then the value of k is
3
4
6
-6
The pair of lines5 x - 4 y + 8 = 07 x + 6 y - 9 = 0 represents
intersecting lines
Six years hence a man's age will be three times the age of his son and three years ago he was nine times as old as
his son. The present age of the man is
28 years
30 years
32 years
34 years
The pair of linear equations x+2y - 5 = 0, 7x + 3y - 13 = 0 has a unique solution. Then the values of x and y are
x = 1, y = 2
x = 2, y = 1
x = 3, y = -1
x = 1, y = 3
For what values of k will the pair of linear equations 2x - 3y = 7 and (k + 1) x + (1 - 2k) y = 5k - 4 have infinitely many solutions?
k = 5
k = 4
k = 6
x = 9
