How many bananas can you eat if your stomach is empty?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

There is something which you can be arrested for attempting but not for successfully completing.

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

If an electric train is travelling south, then which way is the smoke going?

What month of the year has 28 days?

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?