Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

The centre of the third figure is empty. What digit should fit inside?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

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?

Why do you find that most of the buildings are deprived of the 13th floor?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?