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

Can you replace the question mark with the correct number?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

Where do you go to learn how to make ice cream?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

How can you drop a raw egg from a height onto a concrete floor without cracking it?