Tag Archives: Ball

The Delta curve ball: How worried should Canada be about the COVID variant?

Breadcrumb Trail Links News Health Canada ‘This virus spreads so fast, and is so contagious that, if 20 per cent of the population is not vaccinated, that will be more then enough to keep this thing going’ Author of the article: Sharon Kirkey Publishing date: Jul 17, 2021  •  2 days ago  •  5 minute read… Read More »

Amazon Use This Red Ball Lottery Puzzle as a Brain-Teaser for Interviewees

Richard DruryGetty Images Tech giant Amazon reportedly poses a series of logical and mathematical puzzles during the interview process in order to select the best candidates, including the following lottery scenario. Take your best shot, then scroll down for the solution. You have 100 red balls, 100 blue balls, and 2 urns. You distribute all… Read More »