riddles of kids and adult

What word begins and ends with an E but only has one letter?

(a)  

Which month has 28 days?

(a)  

Answer explanation

not only February but all month have 28 day only thing is that they more than it..

How many letters are there in the alphabet?

(a)  

Answer explanation

it because that you have to count the letter in that "The alphabet".

Bobby throws a ball as hard as he can. It comes back to him, even though nothing and nobody touches it. How?

(a)  

Answer explanation

you know that gravity pull the object down toward the Earth, correct?

Mary’s father has five daughters – Nana, Nene, Nini, Nono. What is the fifth daughter’s name?

(a)  

do want to learn ever more riddles so that you can do the same thing to you friend?

If you threw a White stone into the Red Sea, what would it become?

(a)  

How do you make the number one disappear?

(a)  

Answer explanation

just add the letter G to one and you will get "Gone"

What is the last thing you take off before bed?

(a)  

Answer explanation

do want to say about this riddles, was it easy or hard?