Name a key which is hardest to turn.

Can you find the thief by just looking at the picture below?

Can you quickly find which two matchstick figures are identical?

Which is the smallest number that you can write using all the vowels exactly once?

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

Can you find the 09 errors in the picture below?

Alex is stranded on an island covered in forest.
One day, when the wind is blowing from the west, lightning strikes the west end of the island and sets fire to the forest. The fire is very violent, burning everything in its path, and without intervention the fire will burn the whole island, killing the man in the process.

There are cliffs around the island, so he cannot jump off.

How can the Alex survive the fire? (There are no buckets or any other means to put out the fire)

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?