Why is the Hole below a Lock?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

Why is the Hole below a Lock?

what one word does the below rebus identifies?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

What do you see in the image below

How many times can you subtract the number 5 from 25?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

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).