Except for one number, all the four-digit numbers given below are written in the same font. Identify the number that does not use the same font as the others.
The figure shows two concentric equilateral triangles with a circle within, such that the circle touches all edges of the triangle. If the radius of the circle is $\sqrt{3}$, what is the total length of the star-shaped outer border formed by the two intersecting triangles?
What is the area of the black portion in the square of side 16 cm?
In a new decimal system, digits 0–9 are replaced with symbols. Equations are given. In (iv), one digit appears twice. Which digit replaces the question mark?
The figure shows a hinged structure made up of 12 sticks. The distance BQ is $150\sqrt{6}$ units when $\angle ABR = 90^\circ$. What will the distance BQ be when $\angle ABR = 60^\circ$?
A solid is drilled using a cylindrical drill in the given direction. How many surfaces will the solid have after the drilling is complete?
A solid object made of cubes is shown. It is symmetric about all three axes, and has no cavities. How many cubes does the solid contain?
A UNION of two solids, a pentagonal prism and a hexagonal prism, is shown. The side view depicts how they intersect. Visualise the new solid formed by their INTERSECTION (the part common to both). How many surfaces will the new solid have?
A diagram of three blocks A, B, and C and their movement is shown. The blocks bounce back after hitting the walls. A moves at 2 units/s, B and C move at 1 unit/s. From the given positions, what is the least time (in seconds) for all three blocks to align exactly one below the other?
Three transparent glass pieces with different engravings are shown. They are overlapped one on top of the other, with the red corner exactly matching each other. What is the total number of triangles in the resultant figure?
The picture shows decimal numbers encoded in colors in another number system. Six numbers are given. On the right, a multiplication is shown. What decimal number represents the result?
A tetrahedral puzzle is made of smaller tetrahedrons. One face of the larger tetrahedron is shown divided into smaller ones. Assuming all faces are the same, how many small tetrahedrons are there on the faces of the larger tetrahedron?
X1 is a 3D form generated from the shape X, using certain 3D operations. It has 11 surfaces in total. If the same operations are carried out on shape Y, how many surfaces would the resulting 3D form have?
Shown below are sole designs of slippers, of which some are matched-pairs (one left foot and one right foot). Identify the total number of matched-pairs in the image.
If 1st June 2013 is Saturday, then 1st June 1981 is _________
Find the missing number in the given number table.
A person wants a house such that all sides of the house face North. He should build the house __________
