Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

Can you start the fire using two pieces of wood?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Why is a river so rich ?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

What can go up a chimney down, but can’t go down a chimney up?