Class 9th MCQ Test for Chapter 1
Class 9th Maths Chapter 1st MCQ
Questions Answer of class 9th Maths Chapter 1st CBSE
Q:1 The pairs of equations x+2y-5 = 0 and -2x-4y+10=0 have:
(a) Unique solution
(b) Exactly two solutions
(c) Infinitely many solutions
(d) No solution
Q:2 If the lines 4x+8ky –7 = 0 and 2x+5y+1 = 0 are parallel, then what is the value of k?
(a) 4/5
(b) 5/4
(c) ⅘
(d) 25/4
Q:3 The solution of the equations 4x-y=2 and x+y=3 is:
(a) 1 and 2
(b) 3 and 3
(c) 6 and 1
(d) -3 and -8
Q:4 A fraction becomes 6/7 when 1 is subtracted from the numerator and it becomes 1/2 when 7 is added to its denominator. The fraction obtained is:
a) 5/12
(b) 7/12
(c) 5/7
(d) 7/7
Q:5 A pair of linear equations which has a unique solution x = 4, y = -5 is
(a) x + y = -1; 2x – 3y = 23
(b) 9x + 5y = -19; 4x + 17y = -52
(c) x –3 y = 13; 31x + 12y = 20
(d) 2x – 4y =14; 2x – 9y =13
Best questions for class 9th Maths
Q:6 Graphically, the pair of equations 7x – y = 5; 14x – 2y = 9 represents two lines which are
(a) intersecting at one point
(b) parallel
(c) intersecting at two points
(d) coincident
Q:7 The pair of equations 2x + 4y + 5 = 0 and –3x – 6y + 1 = 0 have
(a) a unique solution
(b) exactly two solutions
(c) infinitely many solutions
(d) no solution
Q:8 The father’s age is three times his son’s age. Five years back, the age of the father was four times his son’s age. The present ages, in years, of the son and the father are, respectively
(a) 4 and 24
(b) 20 and 60
(c) 15 and 45
(d) 8 and 24
Q:9 The solution of the equations x+y=2 and x+3y=4 is:
(a) 3 and 1
(b) 1 and 1
(c) 5 and 1
(d) -1 and -3
Q:10 The pair of equations x + 2y = 5 and 3x + 6y = 15 have
(a) a unique solution
(b) exactly two solutions
(c) infinitely many solutions
(d) no solution
