A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

What is the riddle which can be asked all day with a different correct answer each time.

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

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

If you say my name, I will no longer exist. What am I?

Can you find the missing piece of the Porsche?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

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?