Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

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

What is the largest number you can write with just 3 digits?

You bought me for dinner but never eat me. What am I?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

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?

Can you count the number of squares in the given picture?