Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

What is the riddle which can be asked all day with a different correct answer each time.

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

I have Rs.50 and I spend it in the way as below.

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?

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

I’m tall when I’m young, and I’m short when I’m old. What am I?

How can you leave a room with two legs and return with six legs?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

What does a man do only once in his lifetime, but women do once a year after they are 29?