MCQ Practice – Class 6 to 10

Q1. The substitution method becomes easiest when:

A. Equations have large coefficients B. One variable has coefficient 1 C. Both equations are same D. Both variables have large values

Q2. If a1/a2 = b1/b2 = c1/c2, equations are:

A. Consistent and dependent B. Parallel C. Inconsistent D. Independent

Q3. If two lines intersect at one point, the system is:

A. Consistent and independent B. Inconsistent C. Consistent and dependent D. Undefined

Q4. If lines intersect, they are:

A. Consistent B. Inconsistent C. Parallel D. Coincident

Q5. Equation 2x + 3y = 5 is a:

A. Cubic equation B. None C. Linear equation D. Quadratic equation

Q6. The general form of a pair of linear equations in two variables is:

A. ax² + by = 0 B. a1x + b1y + c1 = 0 and a2x + b2y + c2 = 0 C. a/x + b/y = 0 D. None

Q7. If (2,3) satisfies an equation, then substituting x=2,y=3 gives:

B. A true equality C. A false equality D. Undefined

Q8. If two equations have infinite solutions, their graphs are:

A. Perpendicular B. Parallel C. Intersecting D. Coincident

Q9. The solution of the pair x + y = 4 and x – y = 2 is:

A. (3,1) B. (1,3) C. (4,0) D. (2,2)

Q10. The number of solutions a pair of linear equations can have is:

A. 1 or none only B. 0, 1, or infinite C. 1 or infinite only D. 1 only

Quiz – Pair of Linear Equations in Two Variables