If the pair of linear equations 6x - 2y - 3 = 0, kx - y -2 = 0 has a unique solution, then the value of k is
k = 3
k ≠ 3
k = 4
k ≠ 4
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 3 x + 7 y - k = 0, 12 x + 2 ky = 4 k + 1 has no solution if the value of k is
k = 7
k = 14
k = 21
k = 28
The pair of linear equations 3x + 5y - 3 = 0, 6x +Ky - 8 = 0 has no solution if the value of K is
K = 5
K = 10
K ≠ 10
K ≠ 5
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
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 = 6
x = 9
The pair of equationsx = 0y = 0represents
parallel lines
coincident lines
perpendicular lines
non - intersecting lines
If the units and tens digit of a two digit number are y and x, then the number is
10 y + x
10 x + y
x + y
xy
The pair of linear equations 3x + 4y = k, 9x + 12y = 6 has infinitely many solutions if the value of k is
k = 2
k ≠ 6
At a certain time in a deer park, the number of heads and the number of legs of deers and human visitors were
counted and it was found there were 39 heads & 132 legs.Then the number of deers and human visitors in the park is
-27,10
27, 12
25,10
37,22
