Can you spot the hidden girl in the picture below?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

Who can jump higher than a Mountain?

What has 13 hearts but no other organs?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

I can be made.
I can be cracked.
I can be told.
I can be played.

Who am I?

Can you count the number of triangles in the picture below?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

If your uncle’s sister is not your aunt, what relation is she to you?