It is always ahead of me yet I can never see it. What is it?

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

(it's a funny riddle)

Can you name some countries which do not have the alphabet 'A' in them?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

What does the rebus below mean?

TEN BADTION

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?