When my father was 31 I was 8. Now he is twice as old as me. How old am I?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

Give it food and it will live; give it water and it will die.

If an electric train is travelling south, then which way is the smoke going?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

O_er_t_o_

Complete the missing letters of the given word.

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?