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).

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

I have branches, but no fruit, trunk or leaves. What am I?

Can you start the fire using two pieces of wood?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

How many triangles are there on the puzzle below?

John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?