You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Can you count the number of blocks in the picture below?

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

What is so fragile that saying its name breaks it?

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?