Before Mount Everest was discovered, what was the highest mountain in the world?

Can you identify if it's a murder or a suicide ?

How do you go from 98 to 720 using just one letter?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

Solve the equation in the image by looking at the pattern closely.

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
=========

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

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