In photography, f-numbers represent lens aperture. Write the missing f-number in the sequence below. f/2.8, f/3.2, f/3.5, f/__, f/4.5, f/5.0, f/5.6

Count the number of unique patterns in the given grid. [Figure: see page 7 of source PDF]

Given below are eight pieces of a puzzle. Arranged correctly they form a four digit number. What is the number formed after the correct arrangement? [Figure: see page 8 of source PDF]

Imagine letters are extruded into three dimensional objects, as shown in the figure on the left (the letter A). If the word LOVE (shown on the right) were to be extruded, how many surfaces would it have? [Figure: see page 7 of source PDF]

The following excerpt is from an article on Indonesian Shadow Puppet Theatre: “Muslim Indonesia is a fascinating story of tolerance and absorption, a relaxed compromise between religions, unlike any of the other multi-faith societies. Wayang Kulit---'skin theatre'---is an ancient…

Count the total number of parallelograms in the given figure. [Figure: see page 7 of source PDF]

Shown below is a belt and pulley arrangement. How many pulleys are rotating clockwise? [Figure: see page 9 of source PDF]

Shown below, to the left, are three types of pencils: A, B and C. Find the total number of type A pencils in the figure on the right, which shows various pencils pointing in either of the two directions, up or down. [Figure: see page 6 of source PDF]

Two views of the same solid object are shown below. Count the number of surfaces the solid object has. [Figure: see page 9 of source PDF]