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?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

Count the number of squares in the picture below.

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

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).

Find the missing number in the image below.

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

What question can you never answer yes to?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?