Skip to content
NEW Today's quiz is live — 10 questions, 5 minutes. Play now
Class 10 · Mathematics · Mathematics

3. Pair of Linear Equations in Two Variables

Chapter test

Practise 5 questions from this chapter

Timed, with answers, explanations and where your marks went.

How many questions
How hard
Try question 1

The solution of x + y = 10 and x − y = 4 is

Answer and explanation

Answer: A. x = 7, y = 3

Adding the equations gives 2x = 14, so x = 7 and y = 3.

Open this question →
Try question 2

A pair of linear equations with infinitely many solutions is shown on a graph by

Answer and explanation

Answer: C. coincident lines

Coincident lines lie on top of each other, so every point is a common solution.

Open this question →
Try question 3

The sum of two numbers is 20 and their difference is 6. The larger number is

Answer and explanation

Answer: D. 13

x + y = 20 and x − y = 6 give 2x = 26, so x = 13.

Open this question →
All 5 questions of this chapter, with explanations →