John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Can you tell a 3D object that has just two surfaces?

Whats the next number in the below number sequence pattern.

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.

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

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

During which month do people sleep the least?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?