NCERT Solutions for class 12 Maths | Chapter 12 - Introduction to Three Dimensional Geometry

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
1 L is the foot of the perpendicular drawn from a point (3, 4, 5) on x-axis. The coordinates of L are
A (3,0,0)
B (0,4,0)
C (0, 0, 5)
D none of these

Answer:(3,0,0)
2 L is the foot of the perpendicular drawn from a point P(3, 4, 5) on the xy-plane. The coordinates of point L are
A (3,0,0)
B (0,4,5)
C (3, 0, 5)
D none of these

Answer:none of these
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
3 If a parallelepiped is formed by planes drawn through the points (5,8,10) and (3, 6, 8) parallel to the coordinate planes, then the length of diagonal of the parallelepiped is
A 2√3
B 3√
C √2
D √3

Answer:2√3
4 The locus of a point for which x = 0 is
A xy-plane
B yz-plane
C zx-plane
D None of these

Answer:yz-plane
5 The locus of a point for which y = 0, z = 0 is
A equation of x-axis
B equation of y-axis
C equation at z-axis
D none of these

Answer:equation of x-axis
6 A plane is parallel to yz-plane so it is perpendicular to
A x-axis
B y-axis
C z-axis
D none of these

Answer:x-axis
7 The point (-2, -3, -4) lies in the
A First octant
B Seventh octant
C Second octant
D Eighth octant

Answer:Seventh octant
8 Equation of Y-axis is considered as
A x = 0, y = 0
B y = 0, z = 0
C z = 0, x = 0
D none of these

Answer:z = 0, x = 0
9 x-axis is the intersection of two planes
A xy and xz
B yz and zx
C xy and yz
D none of these

Answer:xy and xz
10 If the distance between the points (a,0,1) and (0,1,2) is √27, then the value of a is
A 5
B ± 5
C -5
D none of these

Answer:± 5
11 Distance of the point (3,4, 5) from the origin (0, 0, 0) is
A √50
B 3
C 4
D 5

Answer:√50
12 What is the length of foot of perpendicular drawn from the point P(3,4, 5) on y-axis?
A √41
B √34
C 5
D None of these

Answer:√34
13 The distance of point P(3,4, 5) from the yz-plane is
A 3 units
B 4 units
C 5 units
D 550

Answer:3 units
14 L is the foot of the perpendicular drawn from a point (3, 4, 5) on xaxis. The coordinates of L are
A (3,0,0)
B (0,4,0)
C (0, 0, 5)
D none of these

Answer:(3,0,0)
15 L is the foot of the perpendicular drawn from a point P(3, 4, 5) on the xy-plane. The coordinates of point L are
A (3,0,0)
B (0,4,5)
C (3, 0, 5)
D none of these

Answer: none of these
16 The locus of a point for which x = 0 is
A xy-plane
B yz-plane
C zx-plane
D none of these

Answer:yz-plane
17 The locus of a point for which y = 0, z = 0 is
A equation of x-axis
B equation of y-axis
C equation at z-axis
D none of these

Answer:equation of x-axis
18 A plane is parallel to yz-plane so it is perpendicular to
A x-axis
B y-axis
C z-axis
D none of these

Answer:x-axis
19 The point (-2, -3, -4) lies in the
A First octant
B Seventh octant
C Second octant
D Eighth octant

Answer:Seventh octant
20 Equation of Y-axis is considered as
A x = 0, y = 0
B y = 0, z = 0
C z = 0, x = 0
D none of these

Answer:z = 0, x = 0

Random GK Questions

Q. Which one of the following Gupta rulers was related to the Licchavis on his mothers side ?
Q. Which India-born scientist was awarded the Nobel Prize in Astrophysics?
Q. Say’s Law of Market holds that
Q. Cultivable land is defined as
Q. Which of the following processes are involved in formation of sedimentary rocks ?
Q. Bark of this tree is used as a condiment-

Chapters

Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series