CBSE Class 10-Mathematics: Chapter –3 Pair of Linear Equation in Two Variables Part 5
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1 Mark Questions
Question 1:
A pair of linear equation in two variables which has a common point i.e., which has only one solution is called a
(a) Consistent pair
(b) Inconsistent pair
(c) Dependent pair
(d) None of these
Answer:
(a) Consistent pair
Question 2:
If a pair of linear equation and represents coincident lines, then
(a)
(b)
(c)
(d) None of these
Answer:
Question 3:
The value of for which the system of equation and has infinite number of solutions is
(a)
(b)
(c)
(d)
Answer:
(c)
Question 4:
If the system of equation and has infinitely many solutions, then
(a)
(b)
(c)
(d)
Answer:
(b)
Question 5: If , then the system of equation and
(a) Has a unique solution
(b) Has no solution
(c) Has infinitely many solution
(d) May or may not have a solution
Answer:
(a) Has a unique solution
Question 6:
The graphical representation of the linear equation y – 5 = 0 is
(a) A line
(b) A point
(c) A curve
(d) None of these
Answer:
(a) A line
Question 7:
A system of simultaneous linear equations is said to be inconsistent if it has
(a) One solution
(b) Two solutions
(c) Three solutions
(d) No solution
Answer:
(d) No solution
Question 8:
The system of equation 2x + 3y – 7 = 0 and 6x + 5y – 11 = 0 has
(a) Unique solution
(b) No solution
(c) Infinitely many solutions
(d) None of these
Answer:
(a) Unique solution