Geometry Aptitude Questions & Formulas with answer


Ques 1 GATE 2025 SET-2


Three villages P, Q, and R are located in such a way that the distance PQ=13 km, QR=14 km and RP=15 km as shown in the figure. A straight road joins Q and R. It is proposed to connect P to this road QR by constructing another road. What is the minimum possible length (in km) of this connecting road?
Note: The figure shown is representative.

A

10.5

B

11.0

C

12.0

D

12.5



Ques 2 GATE 2025 SET-2


In the given figure, PQRS is a square of side 2 cm and PLMN is a rectangle. The corner L of the rectangle is on the side QR. Side MN of the rectangle passes through the corner S of the square.
What is the area (in cm2) of the rectangle PLMN?
Note: The figure shown is representative.

A

2√2

B

2

C

8

D

4



Ques 3 GATE 2025 SET-1


A thin wire is used to construct all the edges of a cube of 1 m side by bending, cutting and soldering the wire. If the wire is 12 m long, what is the minimum number of cuts required to construct the wire frame to form the cube?

A

3

B

4

C

6

D

12



Ques 4 GATE 2025 SET-1


A circle with center at (x,y)=(0.5,0) and radius =0.5 intersects with another circle with center at (x,y)=(1,1) and radius =1 at two points. One of the points of intersection (x, y) is:

A

(0,0)

B

(0.2, 0.4)

C

(0.5, 0.5)

D

(1,2)



Ques 5 GATE 2025 SET-1


An object is said to have an n-fold rotational symmetry if the object, rotated by an angle of 2π/n, is identical to the original.
Which one of the following objects exhibits 4-fold rotational symmetry about an axis perpendicular to the plane of the screen?
Note: The figures shown are representative.

A

B

C

D



Ques 6 GATE 2025 SET-1


In the diagram, the lines QR and ST are parallel to each other. The shortest distance between these two lines is half the shortest distance between the point P and line QR. What is the ratio of the area of the triangle PST to the area of the trapezium SQRT?
Note: The figure shown is representative.

A

1/3

B

1/4

C

2/5

D

1/2



Ques 7 GATE 2025


A rectangle has a length L and a width W, where L>W. If the width, W, is increased by 10%, which one of the following statements is correct for all values of L and W?

A

Perimeter increases by 10%.

B

Length of the diagonals increases by 10%.

C

Area increases by 10%.

D

The rectangle becomes a square.



Ques 8 GATE 2025


A regular dodecagon (12-sided regular polygon) is inscribed in a circle of radius r cm as shown in the figure. The side of the dodecagon is d cm. All the triangles (numbered 1 to 12) in the figure are used to form squares of side r cm and each numbered triangle is used only once to form a square.
The number of squares that can be formed and the number of triangles required to form each square, respectively, are:
Note: The figure shown is representative.

A

3:4

B

4:3

C

3:3

D

2:3



Ques 9 GATE 2025


In the diagram, the lines QR and ST are parallel to each other. The shortest distance between these two lines is half the shortest distance between the point P and line QR. What is the ratio of the area of the triangle PST to the area of the trapezium SQRT?
Note: The figure shown is representative.

A

1/3

B

1/4

C

2/5

D

1/2



Ques 10 GATE 2025


A stick of length one meter is broken at two locations at distances of b1 and b2 from the origin (0), as shown in the figure. Note that 012<1. Which one of the following is NOT a necessary condition for forming a triangle using the three pieces?
Note: All lengths are in meter. The figure shown is representative.

A

b1<0.5

B

b2>0.5

C

b21+0.5

D

b1+b2<1



Ques 11 GATE 2025


A thin wire is used to construct all the edges of a cube of 1 m side by bending, cutting and soldering the wire. If the wire is 12 m long, what is the minimum number of cuts required to construct the wire frame to form the cube?

A

3

B

4

C

6

D

12



Ques 12 GATE 2025


A circle with center at (x,y)=(0.5,0) and radius =0.5 intersects with another circle with center at (x,y)=(1,1) and radius =1 at two points. One of the points of intersection (x,y) is:

A

(0,0)

B

(0.2, 0.4)

C

(0.5, 0.5)

D

(1,2)



Ques 13 GATE 2025


An object is said to have an n-fold rotational symmetry if the object, rotated by an angle of 2π/n, is identical to the original.
Which one of the following objects exhibits 4-fold rotational symmetry about an axis perpendicular to the plane of the screen?
Note: The figures shown are representative.

A

B

C

D