pixabay.com Anna likes alligators, Alec likes cats and Katie likes elephants so Charles surely likes:
publicdomainpictures.net You have a sore throat and your doctor gave you 5 pills that you should take every 15 minutes. You take the first one at 2 pm. When will you take the last one?
You can do two types of mathematical operations: 1) Add 1 2) Multiple by 3 There is no limit to the number of times you can use each of them and you don’t have to perform them in any particular order.
maxpixel.freegreatpicture.com What’s the minimal number of operations you need to do in order to get from 1 to 21?
bigstockphoto.com Brain Teasers Check your memory and perception – only 1 in 50 people can pass this test!
