BITSAT Mathematics Three Dimensional Geometry MCQs

Multiple Choice Questions (MCQs) for BITSAT Mathematics: Three Dimensional Geometry

Access targeted multiple-choice questions for Three Dimensional Geometry designed to align with the latest BITSAT academic syllabus for BITSAT Mathematics. These objective practice sets help students evaluate their conceptual understanding and improve exam readiness.

Practice Three Dimensional Geometry MCQs for BITSAT Mathematics

Navigate directly to the 50 objective questions for Three Dimensional Geometry using the digital viewer below. Each practice set includes verified answer keys, allowing students to instantly cross-check their work and identify areas requiring further revision.

 

Question: A line segment has length 63 and direction ratios are 3, –2, 6. If the line makes an obtuse angle with x–axis, the components of the line vector are

  • a) 27, – 18, 54
  • b) – 27, 18, 54
  • c) – 27, 18, –54
  • d) 27, – 18, – 54

Answer: – 27, 18, –54


Question: The line,BITSAT Mathematics Three Dimensional Geometry 19intersects the curve xy = c2, z = 0 if c is equal to

  • a) 

    BITSAT Mathematics Three Dimensional Geometry 20

  • b)

    BITSAT Mathematics Three Dimensional Geometry 21

  • c) BITSAT Mathematics Three Dimensional Geometry 22
  • d) None of these

Answer:

BITSAT Mathematics Three Dimensional Geometry 22

 

Question: The angle between two planes is equal to

  • a) The angle between the tangents to them from any point
  • b) The angle between the normals to them from any point
  • c) The angle between the lines parallel to the planes from any point
  • d) None of these

Answer: The angle between the normals to them from any point


Question: What is the angle between the lines BITSAT Mathematics Three Dimensional Geometry 23

  • a)

    BITSAT Mathematics Three Dimensional Geometry 24

  • b)

    BITSAT Mathematics Three Dimensional Geometry 25

  • c)

    BITSAT Mathematics Three Dimensional Geometry 26

  • d) None of these

Answer:

BITSAT Mathematics Three Dimensional Geometry 24

 

Question: Find the direction cosines of the line joining the points A(6, –7, –1) and B (2, –3, 1).

  • a)

    BITSAT Mathematics Three Dimensional Geometry 27

  • b)

    BITSAT Mathematics Three Dimensional Geometry 28

  • c)

    BITSAT Mathematics Three Dimensional Geometry 29

  • d)

    BITSAT Mathematics Three Dimensional Geometry 30

Answer:

BITSAT Mathematics Three Dimensional Geometry 27

 

Question: Find the equation of the line 3x – 6y – 2z – 15 = 2x + y – 2z + 5= 0 in parametric form.

  • a)

    BITSAT Mathematics Three Dimensional Geometry 31

  • b)

    BITSAT Mathematics Three Dimensional Geometry 32

  • c)

    BITSAT Mathematics Three Dimensional Geometry 33

  • d)

    BITSAT Mathematics Three Dimensional Geometry 34

Answer:

BITSAT Mathematics Three Dimensional Geometry 34

 

Question: The point of intersection of the linesBITSAT Mathematics Three Dimensional Geometry 35 andBITSAT Mathematics Three Dimensional Geometry 36is

  • a)

    BITSAT Mathematics Three Dimensional Geometry 37

  • b)

    BITSAT Mathematics Three Dimensional Geometry 38

  • c)

    BITSAT Mathematics Three Dimensional Geometry 39

  • d) None of these

Answer:

BITSAT Mathematics Three Dimensional Geometry 38

 

Question: The equation of line of intersection of planes 4x + 4y – 5z = 12, 8x + 12y – 13z = 32 can be written as

  • a)

    BITSAT Mathematics Three Dimensional Geometry 40

  • b)

    BITSAT Mathematics Three Dimensional Geometry 41

  • c)

    BITSAT Mathematics Three Dimensional Geometry 42

  • d)

    BITSAT Mathematics Three Dimensional Geometry 43

Answer:

BITSAT Mathematics Three Dimensional Geometry 41

 

Question: The ratio in which the join of ( 2, 1, 5) and (3, 4, 3) is divided by the plane (x + y – z) =BITSAT Mathematics Three Dimensional Geometry 1 is

  • a) 3 : 5
  • b) 5 : 7
  • c) 1 : 3
  • d) 4 : 5

Answer: 5 : 7


Question: Two lines L1 : x 5,BITSAT Mathematics Three Dimensional Geometry 2BITSAT Mathematics Three Dimensional Geometry 3 are coplanar. Then, a can take value (s)

  • a) 1, 4, 5
  • b) 1, 2, 5
  • c) 3, 4, 5
  • d) 2, 4, 5

Answer: 1, 4, 5

 

Question: The ratio in which the join of ( 2, 1, 5) and (3, 4, 3) is divided by the plane (x + y – z) =BITSAT Mathematics Three Dimensional Geometry 1 is

  • a) 3 : 5
  • b) 5 : 7
  • c) 1 : 3
  • d) 4 : 5

Answer: 5 : 7


Question: If the line through the points A (k, 1, –1) and B (2k, 0, 2) is perpendicular to the line through the points B and C (2 + 2k , k, 1), then what is the value of k?

  • a) –1
  • b) 1
  • c) –3
  • d) 3

Answer: 3


Question: Two lines L1 : x 5,BITSAT Mathematics Three Dimensional Geometry 2BITSAT Mathematics Three Dimensional Geometry 3 are coplanar. Then, a can take value (s)

  • a) 1, 4, 5
  • b) 1, 2, 5
  • c) 3, 4, 5
  • d) 2, 4, 5

Answer: 1, 4, 5


Question: A line makes the same angle θ with each of the X and Z-axes. If the angle β, which it makes with Y-axis, is such that sin2 β = 3sin2 θ, then cos2 θequals

  • a) 2/5
  • b) 1/5
  • c) 3/5
  • d) 2/3

Answer: 3/5


Question: Find the angle between the lineBITSAT Mathematics Three Dimensional Geometry 4and the plane 10x + 2y – 11z = 3.

  • a)

    BITSAT Mathematics Three Dimensional Geometry 5

  • b)

    BITSAT Mathematics Three Dimensional Geometry 6

  • c)

    BITSAT Mathematics Three Dimensional Geometry 7

  • d)

    BITSAT Mathematics Three Dimensional Geometry 8

Answer:

BITSAT Mathematics Three Dimensional Geometry 5

 

Question: The equation of the right bisector plane of the segment joining (2, 3, 4) and (6, 7, 8) is

  • a) x + y + z + 15 = 0
  • b) x + y + z – 15 = 0
  • c) x – y + z – 15 = 0
  • d) None of these

Answer: x + y + z – 15 = 0


Question: The coordinates of the point where the line through the points A (3, 4, 1) and B (5, 1, 6) crosses the XY - plane are

  • a)

    BITSAT Mathematics Three Dimensional Geometry 9

  • b)

    BITSAT Mathematics Three Dimensional Geometry 10

  • c)

    BITSAT Mathematics Three Dimensional Geometry 11

  • d)

    BITSAT Mathematics Three Dimensional Geometry 12

Answer:

BITSAT Mathematics Three Dimensional Geometry 9

 

Question: Find the angle between the two planes 2x + y – 2z = 5 and 3x – 6y – 2z = 7

  • a) cos–1 (4/21)
  • b) cos–1 (2/21)
  • c) cos–1 (1/21)
  • d) cos–1 (5/21)

Answer: cos–1 (4/21)

 

Question: What is the value of n so that the angle between the lines having direction ratios (1, 1, 1) and (1, –1, n) is 60°?

  • a) √3
  • b) √6
  • c) 3
  • d) None of these

Answer: √6

 

Question: The foot of the perpendicular from the point (7, 14, 5) to the plane 2x + 4y – z = 2 are

  • a) (1, 2, 8)
  • b) (3, 2, 8)
  • c) (5, 10, 6)
  • d) (9, 18, 4)

Answer: (1, 2, 8)


Question: Find the coordinates of the point where the line joining the points (2, –3, 1) and (3, – 4, – 5) cuts the plane 2x + y + z = 7.

  • a) (1, 2, – 7)
  • b) (1, – 2, 7)
  • c) (–1, – 2, 7)
  • d) (1, 2, 7)

Answer: (1, – 2, 7)


Question: Gives the line L :BITSAT Mathematics Three Dimensional Geometry 13 and the plane π : x – 2y – z = 0. Of the following assertions, the only one that is always true is

  • a)

     BITSAT Mathematics Three Dimensional Geometry 14

  • b) L lies in π
  • c) L is not parallel to π
  • d) None of these

Answer: L lies in π

 

Question: The perpendicular distance of P(1, 2, 3) from the lineBITSAT Mathematics Three Dimensional Geometry 15 is

  • a) 7
  • b) 5
  • c) 0
  • d) 6

Answer: 7


Question: The equation of the plane containing the lineBITSAT Mathematics Three Dimensional Geometry 16 is a (x – x1) + b (y – y1) + c (z – z1) = 0. Correct option is

  • a) ax1 + by1 + cz1 = 0
  • b) al + bm + cn = 0
  • c)

    BITSAT Mathematics Three Dimensional Geometry 17

  • d) lx1 + my1 + nz1 = 0

Answer: al + bm + cn = 0

 

Question: If the line BITSAT Mathematics Three Dimensional Geometry 18 lies in the plane 2x – 4y + z = 7, then the value of k is

  • a) 4
  • b) -7
  • c) 7
  • d) No real value

Answer: 7

Practice MCQs for BITSAT Mathematics Three Dimensional Geometry

BITSAT Mathematics Three Dimensional Geometry Objective Test Questions

Review structured objective questions for BITSAT Mathematics Three Dimensional Geometry. Built according to official BITSAT guidelines, these MCQ sets support daily revision and core concept reinforcement.

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FAQs

Where can I access latest BITSAT Mathematics Three Dimensional Geometry MCQs?

You can get most exhaustive BITSAT Mathematics Three Dimensional Geometry MCQs for free on StudiesToday.com. These MCQs for BITSAT Mathematics are updated for the 2026-27 academic session as per BITSAT examination standards.

Are Assertion-Reasoning and Case-Study MCQs included in the Mathematics BITSAT material?

Yes, our BITSAT Mathematics Three Dimensional Geometry MCQs include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the BITSAT paper is now competency-based.

How do practicing Mathematics MCQs help in scoring full marks in BITSAT exams?

By solving our BITSAT Mathematics Three Dimensional Geometry MCQs, BITSAT students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Mathematics.

Do you provide answers and explanations for BITSAT Mathematics Three Dimensional Geometry MCQs?

Yes, Mathematics MCQs for BITSAT have answer key and brief explanations to help students understand logic behind the correct option as its important for 2026 competency-focused BITSAT exams.

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