What is both possible and impossible at the same time?

What is the difference between a jeweller and a jailer?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

What word is pronounced the same if you take away four of its five letters?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Can you solve the below tricky visual equation?

How many bananas can you eat if your stomach is empty?

There are two beautiful yet remote islands in the South Pacific. The Islanders born on one island always tell the truth, and the Islanders from the other island always lie.
You are on one of the islands and meet three Islanders. You ask the first which island they are from in the most appropriate Polynesian tongue, and he indicates that the other two Islanders are from the same island. You ask the second Islander the same question, and he also indicates that the other two Islanders are from the same island.
Can you guess what the third Islander will answer to the same question?