HARD
10th CBSE
IMPORTANT
Earn 100

Find the values of a and b for which the following system of equations has infinitely many solutions:
2x-3y=7
a-bx+a+by=3a+b-2

Important Questions on Pair of Linear Equations in Two Variables

MEDIUM
10th CBSE
IMPORTANT
Find the values of a and b for which the following system of equations has infinitely many solutions:
2x+3y-7=0
a-1x+a+1y=3a-1
MEDIUM
10th CBSE
IMPORTANT
Find the values of a and b for which the following system of equations has infinitely many solutions:
2x+3y=7
(a-1)x+(a+2)y=3a
HARD
10th CBSE
IMPORTANT
Find the values of a and b for which the following system of equations has infinitely many solutions:
x+2y=1
a-bx+a+by=a+b-2
EASY
10th CBSE
IMPORTANT
Find the values of a and b for which the following system of equations has infinitely many solutions:
2x+3y=7
2ax+ay=28-by
EASY
10th CBSE
IMPORTANT
For which value(s) of λ, do the pair of linear equations λx+y=λ2 and x+λy=1 have no solution?
EASY
10th CBSE
IMPORTANT
For which value(s) of λ, do the pair of linear equations λx+y=λ2 and x+λy=1 have infinitely many solutions?
EASY
10th CBSE
IMPORTANT
For which value(s) of λ, do the pair of linear equations λx+y=λ2 and x+λy=1 have a unique solution?
MEDIUM
10th CBSE
IMPORTANT
5 pens and 6 pencils together cost 9 and 3 pens and 2 pencils cost 5. Find the cost of 1 pen and 1 pencil.