Linear Equations in two variables

MCQ on Linear Equations in two variables

MCQ on Linear Equations in two variables

Q1. Through which of the following points, the graph of y = –x passes?

(i) (1, 1)

(ii) (0, 1)

(iii) (–1, 1)

(iv) (2,3)

Q2. On which of the following equations, the point of the form (m, –m) lies?

(i) x = –m

(ii) x + y = 0

(iii) y = x

(iv) y=2x

Q3. If x + y = 12, y + z = 15 and x + z = 18, then find x + y + z =?

a) 18

b) 12

c) 15

d) 22.5

Ans: Option 4 : 22.5

Q4. Equation of a line which is 5 units distance above the x-axis is

(a) x = 5

(b) x + 5 = y

(c) y – 5

(d) x – y = 0

Ans: c) y – 5

Q5. Which of the following is the equation of a line parallel to y-axis?

(a) y = 0

(b) x + y = z

(c) y = x

(d) x = a

Ans: d) x = a

Q6. Any point of the form (a, – a) always lie on the graph of the equation

(a) x = -a

(b) y = a

(c) y = x

(d) x + y = 0

Ans: d) x + y = 0

Q7. The graph of the equation 2x + 3y = 6 cuts the x-axis at the point

(a) (0, 3)

(b) (3, 0)

(c) (2, 0)

(d) (0, 2)

Ans: b) (3, 0)

Q8. How many linear equation in x and y can be satisfied by x = 1 and y = 2?

(a) only one

(b) two

(c) infinitely many

(d) three

Ans: c) infinitely many

Q9. If (3, 2) is the solution 3x – ky = 5, then k equals of the equation

(a) 2

(b) 4

(c) 3

(d) 12

Ans: a) 2

see also: Laws of Motion

Q10. If x represents the age of father and y represents the present age of the son, then the statement for ‘present age of father is 5 more than 6 times the age of the son’ in terms of mathematical equation is

(a) 6x + y = 5

(b) x = 6y + 5

(c) x + 6y = 5

(d) x – 6 = 5

Ans: b) x = 6y + 5

MCQ on Linear Equations in two variables

Maths in Moments Quantitative Aptitude for Competitive Exams

An aspirant will not require any other book in Quant after covering this book. All the topics are explained from the scratch/beginning thereby creating a strong foundation. 

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