Three Dimensional Geometry Test

Result

Three Dimensional Geometry Test - 28

Score
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Rank
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Weekly Quiz Competition

Question 1
4 / -1

A
2

B
1

C
3

D
0

Solution
Question 2
4 / -1

A

B

C

D
None of these

Solution
Question 3
4 / -1

All the points on the x-axis have

A
x = 0

B
y = 0

C
x = 0, y = 0

D
y = 0, z = 0
Question 4
4 / -1

If a line lies in the octant OXYZ and it makes equal angles with the axis, then

A

B

C

D
Question 5
4 / -1

The pairs of rectangular co-ordinate planes have equations

A
xy = yz = 0

B
x = y = z = 0

C
xyz = 0

D
None of these

Solution
Question 6
4 / -1

The points A(1, 0, 1), B(–1, 2, 3) and C(0, 1, 2) are

A
Non-collinear

B
Collinear

C
Non-coplanar

D
None of the above

Solution
Question 7
4 / -1

If the centroid of triangle whose vertices are (a, 1, 3), (–2, b, – 5) and (4, 7, c) be the origin, then the values of a, b, c are

A
–2, – 8, – 2

B
2, 8, – 2

C
–2, – 8, 2

D
7, – 1, 0

Solution
Question 8
4 / -1

Which of the following set of points are non-collinear

A
(1, – 1, 1), (–1, 1, 1), (0, 0, 1)

B
(1, 2, 3), (3, 2, 1), (2, 2, 2)

C
(–2, 4, – 3), (4, – 3, – 2), (–3, – 2, 4)

D
(2, 0,– 1), (3, 2, – 2), (5, 6, – 4)

Solution
Question 9
4 / -1

The direction cosines of the line joining the points (4, 3, – 5) and (–2, 1, – 8) are

A

B

C

D
None of these

Solution
Question 10
4 / -1

If a line makes angles of 30° and 45° with x-axis and y-axis, then the angle made by it with z-axis is

A
45°

B
60°

C
120°

D
None of these

Solution