CUET Mathematics: Geometry3D Geometry. Free, no login required.

Q1:

2023: 23 May Shift 3

3D Geometry

Medium

Core

The angle between the lines r⃗=3i^+2j^−4k^+λ(i^+2j^+2k^)\vec{r} = 3\hat{i} + 2\hat{j} - 4\hat{k} + \lambda(\hat{i} + 2\hat{j} + 2\hat{k}) and r⃗=5j^−2k^+μ(3i^+2j^+6k^)\vec{r} = 5\hat{j} - 2\hat{k} + \mu(3\hat{i} + 2\hat{j} + 6\hat{k}) is :

Answer options
Option 3
Correct Answer
Explanation for 2023: 23 May Shift 3 MAT question 1

Q2:

2023: 23 May Shift 3

3D Geometry

Hard

Core

The value of λ\lambda, so that the lines 1−x3=7y−142λ=z−32\frac{1-x}{3} = \frac{7y-14}{2\lambda} = \frac{z-3}{2} and 7−7x3λ=y−51=6−z5\frac{7-7x}{3\lambda} = \frac{y-5}{1} = \frac{6-z}{5} are perpendicular is:

Answer options
Option 2
Correct Answer
Explanation for 2023: 23 May Shift 3 MAT question 2

Q3:

2023: 23 May Shift 3

3D Geometry

Easy

Core

Match List I with List II

LIST ILIST II
A. lx+my+nz=dlx + my + nz = d isI. Equation of plane passing through a given point and normal to given vector
B. xa+yb+zc=1\frac{x}{a} + \frac{y}{b} + \frac{z}{c} = 1 isII. Equation of plane in normal form
C. (r⃗−a⃗)⋅n⃗=0(\vec{r} - \vec{a}) \cdot \vec{n} = 0III. Plane passing through the intersection of two planes
D. (a1x+b1y+c1z+d1)+λ(a2x+b2y+c2z+d2)=0(a_1x + b_1y + c_1z + d_1) + \lambda(a_2x + b_2y + c_2z + d_2) = 0IV. Intercept from of plane

Choose the correct answer from the options given below:

Answer options
Option 3
Correct Answer
Explanation for 2023: 23 May Shift 3 MAT question 3

Q4:

2023: 22 May Shift 3

3D Geometry

Medium

Core

Distance between the point (3, 4, 5) and the point where the line x−31=y−42=z−52\frac{x-3}{1} = \frac{y-4}{2} = \frac{z-5}{2} meets the plane x+y+z=17x + y + z = 17 is :

Answer options
Option 3
Correct Answer
Explanation for 2023: 22 May Shift 3 MAT question 4

Q5:

2023: 22 May Shift 3

3D Geometry

Easy

Core

Cartesian equation of plane passing through the points (2, -4, 5) and perpendicular to the line with direction ratios (3, -1, 2) is :

Answer options
Option 2
Correct Answer
Explanation for 2023: 22 May Shift 3 MAT question 5

Q6:

2023: 22 May Shift 3

3D Geometry

Hard

Core

If the shortest distance between the lines l1l_1 and l2l_2 given by r⃗=ai^+2j^−k^+λ(2i^−j^+k^)\vec{r} = a\hat{i} + 2\hat{j} - \hat{k} + \lambda(2\hat{i} - \hat{j} + \hat{k}) and r⃗=i^−j^+k^+μ(2i^−j^+k^)\vec{r} = \hat{i} - \hat{j} + \hat{k} + \mu(2\hat{i} - \hat{j} + \hat{k}) is 356\sqrt{\frac{35}{6}} units, the values of 'a' can be :

Answer options
Option 1
Correct Answer
Explanation for 2023: 22 May Shift 3 MAT question 6

Q7:

2023: 30 May Shift 3

3D Geometry

Medium

Core

The vector equation of the line joining the points (−2,−3,−4)(-2, -3, -4) and (1,−2,4)(1, -2, 4) is :

Answer options
Option 3
Correct Answer
Explanation for 2023: 30 May Shift 3 MAT question 7

Q8:

2023: 30 May Shift 3

3D Geometry

Medium

Core

The angle between the two planes x+y−z=3x + y - z = 3 and 3x+2y+z=53x + 2y + z = 5 is :

Answer options
Option 2
Correct Answer
Explanation for 2023: 30 May Shift 3 MAT question 8

Q9:

2023: 30 May Shift 3

3D Geometry

Medium

Core

If the equation of a floor of a room is given by x+y−z+4=0x + y - z + 4 = 0 and the equation of roof is given by x+y−z+5=0x + y - z + 5 = 0. Then, the height of the room is :

Answer options
Option 3
Correct Answer
Explanation for 2023: 30 May Shift 3 MAT question 9

Q10:

2023: 15 June Shift 2

3D Geometry

Easy

Core

The equation of plane which cuts equal intercepts of unit length on the coordinate axes is :

Answer options

Q11:

2023: 15 June Shift 2

3D Geometry

Hard

Core

If the straight lines x=1+sx = 1 + s, y=−3−λsy = -3 - \lambda s, z=1+λsz = 1 + \lambda s and x=t2x = \frac{t}{2}, y=1+ty = 1 + t, z=2−tz = 2 - t with parameters ss and tt respectively, are coplanar, then λ\lambda is equal to :

Answer options

Q12:

2023: 15 June Shift 2

3D Geometry

Hard

Core

The shortest distance between the lines x+31=y−22=z+43\frac{x+3}{1} = \frac{y-2}{2} = \frac{z+4}{3} and x+3−3=y+72=z−64\frac{x+3}{-3} = \frac{y+7}{2} = \frac{z-6}{4} is :

Answer options

Q13:

2022: 7 Aug Shift 2

3D Geometry

Medium

Core

Find the root of perpendicular from origin to the line x−13=y−2−2=z+13\frac{x - 1}{3} = \frac{y - 2}{-2} = \frac{z + 1}{3}.

Answer options
Option 3
Correct Answer
Explanation for 2022: 7 Aug Shift 2 MAT question 13

Q14:

2022: 7 Aug Shift 2

3D Geometry

Easy

Core

The distance of the point (2,3,−5)(2, 3, -5) from the plane x+2y−2z=9x + 2y - 2z = 9 is :

Answer options
Option 3
Correct Answer
Explanation for 2022: 7 Aug Shift 2 MAT question 14

Q15:

2022: 7 Aug Shift 2

3D Geometry

Easy

Core

Equation of y-axis in space, in vector form is :

Answer options
Option 4
Correct Answer
Explanation for 2022: 7 Aug Shift 2 MAT question 15

Q16:

2022: 7 Aug Shift 2

3D Geometry

Easy

Core

The angle between 2 planes 4x+8y+z−8=04x + 8y + z - 8 = 0 and y+z−4=0y + z - 4 = 0 is :

Answer options
Option 3
Correct Answer
Explanation for 2022: 7 Aug Shift 2 MAT question 16

Q17:

2022: 7 Aug Shift 2

3D Geometry

Medium

Core

The equation of plane that contains line x−1−1=y+12=z−13\frac{x - 1}{-1} = \frac{y + 1}{2} = \frac{z - 1}{3} and also pass through point (0,1,0)(0, 1, 0) is :

Answer options
Option 1
Correct Answer
Explanation for 2022: 7 Aug Shift 2 MAT question 17

Q18:

2022: 17 Aug Shift 2

3D Geometry

Medium

Core

The direction ratio's of line of intersection of two planes :

2x+y+z+47=02x + y + z + 47 = 0 and 3x−2y−z+41=03x - 2y - z + 41 = 0 are :

Answer options

Q19:

2022: 17 Aug Shift 2

3D Geometry

Medium

Core

A line makes angle θ\theta with xx-axes as well as zz-axis. If the angle β\beta, which it makes with yy-axis is such that sin⁡2β=3sin⁡2θ\sin^2\beta = 3\sin^2\theta, then cos⁡2θ\cos^2\theta is :

Answer options

Q20:

2022: 17 Aug Shift 2

3D Geometry

Easy

Core

The equation of the plane, parallel to the plane 3x+4y−12z=33x + 4y - 12z = 3 and passes through (1,1,−1)(1, 1, -1), is :

Answer options

Q21:

2022: 17 Aug Shift 2

3D Geometry

Easy

Core

The distance of plane r⃗⋅(6i^−3j^−2k^)+1=0\vec{r}\cdot(6\hat{i} - 3\hat{j} - 2\hat{k}) + 1 = 0 from origin is :

Answer options

Q22:

2022: 17 Aug Shift 2

3D Geometry

Medium

Core

The foot of perpendicular from point (2,4,−1)(2, 4, -1) on the line x+51=y+34=z−6−9\frac{x+5}{1} = \frac{y+3}{4} = \frac{z-6}{-9} is :

Answer options

Q23:

2022: 6 Aug Shift 2

3D Geometry

Hard

Core

If two lines x−32=y−45=z4\frac{x-3}{2} = \frac{y-4}{5} = \frac{z}{4} and x−43=y−56=1−zk\frac{x-4}{3} = \frac{y-5}{6} = \frac{1-z}{k}, are coplanar, then kk is equal to

Answer options
Option 2
Correct Answer
Explanation for 2022: 6 Aug Shift 2 MAT question 23

Q24:

2022: 6 Aug Shift 2

3D Geometry

Medium

Core

The foot of perpendicular from the point P (1, 2, -3) to the line x+12=y−3−2=z−1\frac{x+1}{2} = \frac{y-3}{-2} = \frac{z}{-1} is

Answer options
Option 3
Correct Answer
Explanation for 2022: 6 Aug Shift 2 MAT question 24

Q25:

2022: 6 Aug Shift 2

3D Geometry

Medium

Core

The equation of plane passing through the point of (3, 2, 0) and containing the line x−22=y+34=z−11\frac{x-2}{2} = \frac{y+3}{4} = \frac{z-1}{1} is

Answer options
Option 1
Correct Answer
Explanation for 2022: 6 Aug Shift 2 MAT question 25

Q26:

2022: 6 Aug Shift 2

3D Geometry

Easy

Core

The sum of all the values of λ\lambda for which the distance of the point P (2, 3, λ\lambda) from the plane x+2y−2z=9x + 2y - 2z = 9 is 3 units, is

Answer options
Option 2
Correct Answer
Explanation for 2022: 6 Aug Shift 2 MAT question 26

Q27:

2022: 4 Aug Shift 1

3D Geometry

Easy

Core

The points of trisection of the segment joining the points (1, 0, 2) and (1, 3, 2) are:

A. (1,32,43)(1, \frac{3}{2}, \frac{4}{3})

B. (1, 1, 2)

C. (1, 2, 2)

D. (1,32,2)(1, \frac{3}{2}, 2)

Choose the correct answer from the options given below:

Answer options
Option 3
Correct Answer
Explanation for 2022: 4 Aug Shift 1 MAT question 27

Q28:

2022: 4 Aug Shift 1

3D Geometry

Medium

Core

The equation of line of intersection of the planes x+y+3z=7x + y + 3z = 7 and x−y+2z=3x - y + 2z = 3 is:

Answer options
Option 4
Correct Answer
Explanation for 2022: 4 Aug Shift 1 MAT question 28

Q29:

2022: 4 Aug Shift 1

3D Geometry

Hard

Core

The distance of the point (1, 2, 0) from the line x−32=y+43=z+65\frac{x-3}{2} = \frac{y+4}{3} = \frac{z+6}{5} measured parallel to the plane x+y+z=3x + y + z = 3 is

Answer options
Option 1
Correct Answer
Explanation for 2022: 4 Aug Shift 1 MAT question 29

Q30:

2022: 4 Aug Shift 1

3D Geometry

Easy

Core

The line x+23=y+35=z−64\frac{x+2}{3} = \frac{y+3}{5} = \frac{z-6}{4} passes through (a, 2, c). The value of a and c are:

Answer options
Option 4
Correct Answer
Explanation for 2022: 4 Aug Shift 1 MAT question 30