Coordinate Geometry
3 solved SSC CGL Quantitative Aptitude previous year questions on Coordinate Geometry, each with the correct answer and a full explanation.
Q1
What is the distance between the points (3,6) and (-2,-6)?
✓ Correct answer: b) 13
ExplanationWe know, the distance between points (x1, y1) and (x2, y2) = ∴ Distance between the points (3,6) and (-2,-6) 13 Hence, Option B is the correct answer.
Q2
In what ratio is the line segment joining (-1,3) and (2,-4) divided by Y-axis?
✓ Correct answer: c) 1:2
ExplanationLet y-axis divides the line segment joining the points (-1, 3) and (2, -4) in the ratio m : n. we know that the x- coordinates on the y axis is zero.By using the section formula Hence, m : n = 1 : 2 Hence, Option C is the correct answer.
Q3
In what ratio is the segment joining points (2,3) and (-2,1) divided by the Y-axis?
✓ Correct answer: b) 1 : 1
ExplanationLet the Y-axis divide the line segment joining points (2,3) and (-2,1) in k : 1, X-axis coordinate will be 0 Using section formula, Hence, Y-axis divide the line segment joining points (2,3) and (-2,1) in 1 : 1 Hence, Option B is the correct answer.
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