What is the maximum number of equilateral triangles (side 3 cm) that can be placed in a square of side 6.8 cm without overlapping each other?

Prof. Paittiyam, in an attempt to create the world’s most delicious dish, managed to merge a cylindrical Idli (diameter = 17 cm, height = 6 cm) with a torus shaped medu wada (inner hole diameter = 2 cm, outer diameter = 16 cm, and tube diameter i.e. height of torus = 7 cm) such t…

How many triangles are there in the figure shown below? [Figure: see page 4 of source PDF]

What is the maximum number of whole cuboids of length = 2 cm, breadth = 1 cm and height = 1 cm that can be packed into a larger cuboid of length = 3 cm, breadth = 3 cm and height = 11 cm?

Count the number of stacked triangular pieces in the image shown below. [Figure: see page 5 of source PDF]

What is the number of fonts used in the words given below? Mango Papaya Apple Banana Pineapple Orange Grapes Pear Guava Tomato Pomegranate [Figure: see page 4 of source PDF]

Shown below is a combination of fixed pulleys. If the triangular load moves down, how many pulleys will rotate in the same direction as the smallest pulley (including itself)? The overlapping paths do not interfere with each other. [Figure: see page 5 of source PDF]

How many configurations of blocks appear only once in the figure given below? [Figure: see page 3 of source PDF]

The current time is 10 minutes past 3 in the afternoon. What will the angle be between the hour hand and the minute hand of the clock, 4 hours and 40 minutes from now? (in degrees)