JEE Mathematics Straight Lines MCQs Set A

Refer to JEE Mathematics Straight Lines MCQs Set A provided below. JEE (Main) Full Syllabus Mathematics MCQs with answers available in Pdf for free download. The MCQ Questions for Full Syllabus Mathematics with answers have been prepared as per the latest syllabus, JEE (Main) books and examination pattern suggested in Full Syllabus by JEE (Main), NCERT and KVS. Multiple Choice Questions for Straight Lines are an important part of exams for Full Syllabus Mathematics and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for JEE (Main) Full Syllabus Mathematics and also download more latest study material for all subjects

MCQ for Full Syllabus Mathematics Straight Lines

Full Syllabus Mathematics students should refer to the following multiple-choice questions with answers for Straight Lines in Full Syllabus. These MCQ questions with answers for Full Syllabus Mathematics will come in exams and help you to score good marks

Straight Lines MCQ Questions Full Syllabus Mathematics with Answers

 

JEE Mathematics Straight Lines MCQs Set A

JEE Mathematics Straight Lines MCQs Set A-

JEE Mathematics Straight Lines MCQs Set A-1

 

15. If a, c, b are in G.P then the line ax + by + c= 0
(A) has a fixed direction
(B) always passes through a fixed point
(C) forms a triangle with axes whose area is constant
(D) none of these
 
16. If a ray travelling along the line x = 1 gets reflected from the line x + y = 1, then the equation the line along which the reflected ray travels is
(A) y = 0 (B) x –y = 1
(C) x = 0 (D) none of these
 
17. The equations of the lines representing the sides of a triangle are 3x – 4y =0, x+y =0 and 2x –3y =7. The line 3x +2y =0 always passes through the
(A) incentre (B) centroid
(C) circumcentre (D) orthocentre
 
18. If the lines x = a + m, y = -2 and y = mx are concurrent, the least value of |a| is
(A) 0 (B) √2
(C) 2√2 (D) None of these
 
19. Equation of a line passing through the intersection of the lines 2x +y =3 and x + y = 1 and perpendicular to the line y = 2x +k is
(A) x - 2y =0 (B) x+ 2y =0
(C) y – x =0 (D) y +x = 0
 
20. If the sum of the reciprocals of the intercepts made by a line on the coordinate axes is 1/5, then the line always passes through
(A) ( 5, -5) (B) ( -5, 5)
(C) (-5, -5) (D) ( 5, 5)
 
21. If 4a2 + 9b2 – c2 + 12ab = 0, a, b, c ε R+, then the family of straight lines ax + by + c = 0 is concurrent at
(A) (2, 3) (B) (– 2, – 3)
(C) 2, – 3) (D) (– 3, 2)
 
22. Point P (2, 4) is translated parallel to the line y – x – 1 = 0, through a distance 3 √2 so that its ordinate is decreased and it reaches at Q. If R is the mirror image of Q in the line y – x – 1 = 0, its coordinate are
(A) (– 1, 1) (B) (0, 0)
(C) (6, 6) (D) none of these
 
23. If the line y = √3 x cuts the curve x3 + y2 + 3x2 + 9 = 0 at the points A, B, C, then OA.OB.OC ( O being origin) equals
(A) 36 (B) 72
(C) 108 (D) none of these
 
24. Let O be the origin, and let A(1, 0), B(0, 1) be two points. If P(x, y) is a point such that xy > 0 and x + y < 1, then
(A) P lies either inside the ΔOAB or in the third quadrant
(B) P cannot be inside the  ΔOAB
(C) P lies inside the ΔOAB
(D) none of these
 
25. Let ABC be a triangle with equation of sides AB, BC, CA respectively x – 2 =0, y – 5 = 0 and 5x + 2y – 10 = 0, then the orthocentre of triangle lies on the line
(A) x – y = 0 (B) 3x + y =1
(C) 4x + y = 13 (D) x – 2y =1
 
26. The foot of the perpendicular on the line 3x + y = λ drawn from the origin is C if the line cuts the x–axis and y–axis at A and B respectively then BC : CA is
(A) 1: 3 (B) 3 : 1
(C) 1: 9 (D) 9 : 1
 
JEE Mathematics Straight Lines MCQs Set A-2
 
28. In what ratio does the point (3, –2) divide the line segment joining the points (1, 4) and (–3, 16)?
(A) 1 : 3 (externally) (B) 3 : 1 (externally) (C) 1 : 3 (internally) (D) 3 : 1 (internally)
 
29. For what value of x will the points (x, –1), (2, 1) and (4, 5) lie on a line?
(A) 1 (B) 0 (C) 2 (D) none of these
 
30. The angle between straight lines x2 –y2 –2y –1 = 0 is
(A) 90° (B) 60° (C) 75° (D) 36°
 
31. The distance between the lines 4x + 3y = 11 and 8x + 6y = 15 is
(A) 7/2 (B) 7/10 (C) 4 (D) none of these
 
32. Find the length of the perpendicular from origin to the straight line 3x –y + 2 = 0
(A) 2 (B) –2/ √10 (C) 2/ √10 (D) none of these
 
33. If the sum of the slopes of the lines given by 4x2 + 2kxy –7y2 = 0 is equal to the product of the slopes then k =
(A) –4 (B) 4 (C) –2 (D) 2
 
34. Find the value of k, so that the equation –2x2 + xy + y2 –5x + y + k = 0 may represent a pairof straight lines
JEE Mathematics Parabola MCQs Set B-3
JEE Mathematics Parabola MCQs Set B-4
JEE Mathematics Parabola MCQs Set B-5
 
53. The straight lines of the family x(a+b) + y (a-b) = 2a (a and b being parameters) are
(A) not concurrent (B) Concurrent at (1, -1)
(C) Concurrent at (1, 1) (D) None of these
 
54. If the sum of the distances of a point from two perpendicular lines in a plane is 1, then its locus is
(A) square (B) a circle
(C) straight line (D) two intersecting lines
 
55. If the line y = mx meets the lines x + 2y – 1= 0 and 2x – y + 3 = 0 at the same point, then m is equal to
(A) 1 (B) -1
(C) 2 (D) -2
 
56. The area inclosed by 3|x| + 4|y| ≤ 12 is
(A) 6 squar units (B) 12 sq. units
(C) 24 square units (D) 36 square units
 
57. If a, b, c are in A.P. then line 2ax + 3by + 3c = 0 always passes through fixed point
(A) (2, –2) (B) (3/2, 2)
(C) (3/2, –2) (D) none of these
 
58. Equation (3a – 2b)x2 + (c –2a)y2 + 2hxy = 0 represents pair of straight lines which are perpendicular to each other then (a – b) is equal to
(A) b + c (B) b – c
(C) c – b (D) 2c
 
59. ax + by + c = 0 represents a line parallel to x–axis if
(A) a = 0, b = 0 (B) a = 0, b≠0
(C) a≠0, b = 0 (D) c = 0
 
60. If the angle between the two straight lines represented by 2x2+ 5xy+ 3y2+7y+4= 0 is tan–1m then m equals to
(A) 1/5 (B) 1
(C) 7/5 (D) 7
 
61. The diagonals of a parallelogram PQRS are along the straight lines ax + 2by = 50 and 4bx – 2ay =100. Then PQRS must be a
(A) rhombus (B) rectangle
(C) square (D) none of these
 
62. The area enclosed by |x| + |y| = 1 is
(A) 1 (B) 2
(C) 3 (D) 4
 
JEE Mathematics Parabola MCQs Set B-6
68. The distance of the line 2x –3y = 4 from the point (1, 1) in the direction of the line x + y = 1 is …………………………………………….
 
69. If the point (2, a) lies between the lines x + y = 1 and 2(x + y) = 5, then a lies between ……………………….. and …………………………………..
 
70. If mn = 1, then the lines mx + y = 1 and y – nx = 2 will be ……………………………………… 
 
71. If the point (2a –3, a2 –1) is on the same side of the line x + y –4 = 0 as that of the origin,then the set of values of a is ……………………………
 
72. The set of lines ax + by + c = 0 where 3a + 2b + 4c = 0 is concurrent at the point ………………………………………………..
 
73. If the image of the point (–2, 1) by a line mirror be (2, –1) then the equation of the line mirror is ……………………………………..…………
 
JEE Mathematics Parabola MCQs Set B-7
 
 
JEE Mathematics Parabola MCQs Set B-Leve1-Ans
 
 
 
JEE Mathematics Parabola MCQs Set B-8
JEE Mathematics Parabola MCQs Set B-9
13. Equation of the bisector of angle B of the triangle ABC is y = x. If A is (2, 6) and B is (1, 1); equation of side BC is
(A) 2x + y – 3 = 0 (B) x – 5y + 4 = 0
(C) x – 6y + 5 = 0 (D) none of these
 
14. Vertex opposite to the side x + y – 2 = 0 of the equilateral triangle, with centroid at the origin; is
(A) (– 1, 1) (B) (2, 2)
(C) (– 2, – 2) (D) none of these
 
JEE Mathematics Parabola MCQs Set B-10
 
19. The number of lines that can be drawn from the point (2, 3), so that its distance from (-1, 6) is equal to 6, is
(A) 1 (B) 2
(C) 0 (D) infinite
 
20. If ΔOAB is an equilateral triangle (O is the origin and A is a point on the x-axis), then centroid of the triangle will be
(A) always rational (B) rational if B is rational
(C) rational if A is rational (D) never rational
(a point P(x, y) is said to be rational if both x and y are rational)
 
21. Equation of a straight line passing through the point (4, 5) and equally inclined to the lines
3x = 4y + 7 and 5y = 12x + 6 is
(A) 9x –7y = 1 (B) 9x + 7y = 71
(C) 7x – 9y = 73 (D) 7x – 9y + 17 = 0
 
22. Two vertices of a triangle are (5, -1) and (-2, 3). If the orthocentre of the triangle is the origin, then the third vertex is
(A) (-4, 7) (B) (-4, -7) (C) (4, -7) (D) (4, 7)
 
23. Drawn from the origin are two mutually perpendicular lines forming an isosceles triangle with the straight line 2x + y = a. Then the area of this triangle is ………………………….
 
24. Two particles start form the same point (2, –1), one moving 2 units along the line x + y = 1 and the other 5 units along the line x –2y = 4. If the particles move towards increasing y, then their new positions are ……………….., ……………………………
 
JEE Mathematics Parabola MCQs Set B-11
JEE Mathematics Parabola MCQs Set B-12
 
 
 
ANSWERS
 
 
JEE Mathematics Parabola MCQs Set B-Leve2-Ans
 
 
 
 
JEE Mathematics Parabola MCQs Set B-Leve3
JEE Mathematics Parabola MCQs Set B-Leve3-
JEE Mathematics Parabola MCQs Set B-Leve3-1
JEE Mathematics Parabola MCQs Set B-Leve3-2
 
19. If 3 a + 4 b + 2 c = 0, then the point of concurrent of the family of lines a x + b y + c = 0 and (1, 2) are
(A) on the same sides of the line 4 x - y + 1 = 0
(B) on the opposite side of the line 4 x - y + 1 = 0
(C) are at equal distances from the origin.
(D) None of these
 
20. If a, b, c are three consecutive integers, then the family of lines a x + b y + c = 0 are concurrent at the point,
(A) (1, 2) (B) (-2, 1)
(C) (1, -2) (D) None of these
 
ANSWERS
 
LEVEL −III
 
1. C
2. A
3. A
4. C
5. B
6. D
7. D
8. A
9. A
10. B
11. D
12. B
13. D
14. C
15. A
16. A
17. D
18. B
19. A
20. C
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JEE Mathematics Application of Derivatives MCQs Set A
JEE Mathematics Application of Derivatives MCQs Set B
JEE Mathematics Application of Derivatives MCQs Set C
JEE Mathematics Application of Derivatives MCQs Set D
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JEE Mathematics Area under Curve MCQs Set A
JEE Mathematics Area under Curve MCQs Set B
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Circles
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JEE Mathematics Circle and Conic Section MCQs Set B
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JEE Mathematics Circles MCQs Set B
JEE Mathematics Circles MCQs Set C
Complex Numbers
JEE Mathematics Complex Numbers MCQs Set A
JEE Mathematics Complex Numbers MCQs Set B
JEE Mathematics Complex Numbers MCQs Set C
JEE Mathematics Complex Numbers MCQs Set D
Continuity and Differentiability
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Differential Equations
JEE Mathematics Differential Equations MCQs Set A
JEE Mathematics Differential Equations MCQs Set B
JEE Mathematics Differential Equations MCQs Set C
JEE Mathematics Differential Equations MCQs Set D
Ellipse
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JEE Mathematics Ellipse MCQs Set B
Hyperbola
JEE Mathematics Hyperbola MCQs Set A
JEE Mathematics Hyperbola MCQs Set B
Integrals
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JEE Mathematics Definite Integral MCQs Set B
JEE Mathematics Definite Integration MCQs Set A
JEE Mathematics Definite Integration MCQs Set B
JEE Mathematics Indefinite Integral MCQs Set A
JEE Mathematics Indefinite Integral MCQs Set B
JEE Mathematics Indefinite Integrals MCQs Set A
JEE Mathematics Indefinite Integrals MCQs Set B
JEE Mathematics Indefinite Integrals MCQs Set C
Inverse Trigonometric Functions
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Limits
JEE Mathematics Limits Continuity and Differentiability MCQs Set A
JEE Mathematics Limits Continuity and Differentiability MCQs Set B
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Linear Inequalities
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Mathematical Induction
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Matrices and Determinants
JEE Mathematics Determinants MCQs
JEE Mathematics Matrices and Determinants MCQs Set A
JEE Mathematics Matrices MCQs Set A
JEE Mathematics Matrices MCQs Set B
Parabola
JEE Mathematics Parabola MCQs Set A
JEE Mathematics Parabola MCQs Set B
JEE Mathematics Parabola MCQs Set C
Permutation and Combination
JEE Mathematics Permutation and Combination MCQs Set A
JEE Mathematics Permutation and Combination MCQs Set B
JEE Mathematics Permutation and Combination MCQs Set C
Probability
JEE Mathematics Probability MCQs Set A
JEE Mathematics Probability MCQs Set B
JEE Mathematics Probability MCQs Set C
JEE Mathematics Probability MCQs Set D
JEE Mathematics Statistics and Probability MCQs
Quadratic Equations
JEE Mathematics Quadratic Equation MCQs
JEE Mathematics Quadratic Equations MCQs
Reasoning
JEE Mathematics Mathematical Reasoning MCQs
Relation and Functions
JEE Mathematics Relation and Functions MCQs Set A
JEE Mathematics Relation and Functions MCQs Set B
JEE Mathematics Relation and Functions MCQs Set C
JEE Mathematics Relation and Functions MCQs Set D
Sequence and Series
JEE Mathematics Sequence and Series MCQs Set A
JEE Mathematics Sequence and Series MCQs Set B
JEE Mathematics Sequence and Series MCQs Set C
Straight Lines
JEE Mathematics Straight Lines MCQs Set A
JEE Mathematics Straight Lines MCQs Set B
JEE Mathematics Straight Lines MCQs Set C
Theory of Equations
JEE Mathematics Theory of Equations MCQs Set A
Three Dimensional Geometry
JEE Mathematics Three Dimensional Geometry MCQs Set A
JEE Mathematics Three Dimensional Geometry MCQs Set B
JEE Mathematics Three Dimensional Geometry MCQs Set C
Trigonometric functions
JEE Mathematics Trigonometric Equations MCQs
JEE Mathematics Trigonometric Functions MCQs Set A
JEE Mathematics Trigonometric Functions MCQs Set B
JEE Mathematics Trigonometric Functions MCQs Set C
JEE Mathematics Trigonometric Functions MCQs Set D
JEE Mathematics Trigonometric Functions MCQs Set E
Vectors
JEE Mathematics Vector Algebra MCQs
JEE Mathematics Vectors MCQs Set A
JEE Mathematics Vectors MCQs Set B
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JEE (Main) Full Syllabus Mathematics Straight Lines MCQs

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