CBSE Class 10 Mathematics Chapter 3 Pair of Linear Equations in Two Variables Multiple Choice Questions with Answers. MCQ Questions Class 10 Mathematics Pair of Linear Equations in Two Variables with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Mathematics Pair of Linear Equations in Two Variables MCQs with Answers to know their preparation level.
Multiple Choice Questions - Set - 3
Question 1:
An equation ax + by + c = 0 is a linear equation in 2 variables, where a, b, c are :
(a) natural numbers
(b) whole numbers
(c) integers
(d) real numbers
Correct Answer – (D)
Question 2 :
The pair of equations y = 9 and y = – 7 has:
(a) one solution
(b) two solutions
(c) infinitely many
(d) no solution solutions
Correct Answer – (D)
Question 3 :
The system of equations 3x – 5y = 20 and 6x – 10y = 40 has :
(a) one solution
(b) exactly 2 solutions
(c) infinitely many solutions
(d) no solutions solutions
Correct Answer – (C)
Question 4 :
For what value of a, the pair of equations, 3x + 2y – 4= 0 and ax – y – 3 = 0 has a unique solutions :
(a) All real numbers except –3/2
(b) a=-3/2
(c)a= 3/2
(d)a= 2/3
Correct Answer – (A)
Question 5 :
The sum of a two digit number is 8. The number obtained by reversing the digits exceeds the number by 18. Then the given number is :
(a) 53
(b) 35
(c) 26
(d) 62
Correct Answer – (B)
Question 6 :
In a triangle, the sum of two angles is equal to the third angle. If the difference between two angles is 30°, find the angles.
(a) 15°, 45°, 75°
(b) 20°, 50°, 80°
(c) 30°, 60°, 90°
(d) 45°, 45°, 90°
Correct Answer – (C)
Question 7 :
Find the value of (x + y) if 148x + 231y=527 and 231x + 148y = 610.
(a) 3
(b) 480
(c) 1
(d) 481
Correct Answer – (A)
Question 8 :
The line x = 4 :
(a) passes through origin
(b) parallel to X-axis
(c) parallel to Y-axis
(d) does not meet Y-axis at all
Correct Answer – (C)
Question 9 :
If x and y satisfy the given two equations, 4x + 6/y = 15,
6x – 8/y = 14; find p is y = px – 2.
(a) 1
(b) 2
(c) 3
(d) 4/3
Correct Answer – (D)
Question 10 :
Find the value which k cannot take, for the given system to have a unique solutions, x + 2y = 3, ky + 5x + 7 = 0.
(a) 10
(b) (14/3)
(c) any real
(d) any real number number except 10.
Correct Answer – (A)
- NCERT Solutions Class 10 Mathematics Linear Equations In Two Variables : Exercise 3.1
- NCERT Solutions Class 10 Mathematics Linear Equations In Two Variables : Exercise 3.2
- NCERT Solutions Class 10 Mathematics Linear Equations In Two Variables : Exercise 3.3
- NCERT Solutions Class 10 Mathematics Linear Equations In Two Variables : Exercise 3.4
- NCERT Solutions Class 10 Mathematics Linear Equations In Two Variables : Exercise 3.5
- NCERT Solutions Class 10 Mathematics Linear Equations In Two Variables : Exercise 3.6
- NCERT Solutions Class 10 Mathematics Linear Equations In Two Variables : Exercise 3.7