(Study Material) RRB NTPC (Tier -2) Exam (Numerical Aptitude) - Coordinate Geometry

(Study Material) RRB NTPC (Tier -2) Exam (Numerical Aptitude) - Coordinate Geometry

1. If the point of intersection of the lines x + 2y –10 = 0 and 2x – y – 5 = 0 lies on the straight line x – 2y + k = 0, then the value of k is

(a) –2
(b) 2
(c) 0
(d) 1

2. The image of the origin with respect of the straight line 4x + 3y – 25 = 0 is

(a) (2, 3)
(b) (8, 6)
(c) (–8,6)
(d) (6, –8)

3.
 

(a) 1
(b) 0
(c) –4
(d) –1

4. If the points (x, 2), (–3, 4) and (7, –1) are collinear, then the value of x is

(a) 1
(b) 0
(c) –2
(d) 2

5. When the graph of a linear equation is plotted, it always comes to be

(a) curve
(b) straight line
(c) circle
(d) parabola

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