Shown below are schematic diagrams of a regular door latch. X represents the door, and Y represents the frame in the wall. Identify which latch can be used for correctly locking the door. [Figure: see page 41 of source PDF]

If the given flat shape is revolved about the Y axis by 360°, identify the solid shape that will be generated. [Figure: see page 40 of source PDF]

Pick a point on the outermost ring of the maze shown below, in order to find your way home. Each point indicates the direction of your next move. Which point on the outermost ring should be your starting point in order to reach home in the fewest steps? [Figure: see page 41 of so…

At left is an empty glass with a straw in it. From the options given, identify the correct representation of the straw when the glass is half-filled with water. [Figure: see page 40 of source PDF]

Shown below is a triangular prism cut into two parts, P and Q. Identify which option represents part P. [Figure: see page 42 of source PDF]

Identify the most accurate shadow of the object given below. The arrow indicates direction of light. [Figure: see page 39 of source PDF]

Choose the set of operations (not necessarily in order) that can be applied on form A to get form B?

On the left hand side are pieces of a jigsaw puzzle. Identify the image that can be reproduced using all the pieces shown at left. [Figure: see page 38 of source PDF]

Read the following paragraph and answer the question that follows. "The most ___(i)___ respect in which ideas have helped mankind is numbers. There must have been a time when homo sapiens was a very rare species, subsisting precariously in jungles and caves, terrified of wild bea…