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

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

It belongs to you, but other people use it more than you do. What is it?

This is the oldest riddle that I have heard.

Once there was a man who was travelling with a Tiger, goat and grass.
He needs to cross a river that can carry a maximum of two i.e. Man + one of Tiger goat or grass. But the problem is "If he takes the lion with him, the goat will eat grass and if he takes grass with him, the lion will eat the goat".

How can he ensure the safe delivery of all three?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

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"

It is a nine-letter word.
The exact opposite of the phrase "friendly and outgoing"
It contains the word "over".
It starts will a vowel.

What is it?

Why is 6 afraid of 7?

I have no life, but I can die. What am I?

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