There are a host of HTTP codes which communicate different server messages: 404 for “not found”, 403 for “forbidden” and so on. Recently there has been a proposal to assign a code for “censored/censorship” in honour of the author Ray Bradbury. What is the proposed code?

Count the number of fonts used in the given set of words. [Figure: see page 7 of source PDF]

Two friends, one on a bike and the other in a car, arrive together at a parking lot. The chance that the one in the car will find a parking space is 0.1, and the one on the bike not finding a parking space is 0.1. What is the probability that only one of them finds a parking spac…

You have been given a calculator that looks as in the image below. Given that you are allowed a total of only 6 key entries of which you MUST use at least one key entry for an operator and another key entry for the ‘equals to’ symbol, what is the largest number you can calculate?…

Count the number of people in this picture who are wearing spectacles. [Figure: see page 6 of source PDF]

Shown below is a quadrant of a disc with cut-outs. Find the total number of cut-outs in the complete disc. [Figure: see page 6 of source PDF]

How many tree trunks are there in the given figure? [Figure: see page 5 of source PDF]

How many pages of size 21 cm x 25 cm can be made from a roll of 48 m x 1.2 m paper? Assume the pages are perfectly cut edge to edge.

Count the total number of black diamonds in the given pattern. [Figure: see page 5 of source PDF]