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

O T T F F S S ?

An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet.

How much time do you think the monkey will take to reach the top of the pole?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Two friends decide to get together; so they start riding bikes towards each other. They plan to meet halfway. Each is riding at 6 MPH. They live 36 miles apart. One of them has a pet carrier pigeon and it starts flying the instant the friends start traveling. The pigeon flies back and forth at 18 MPH between the 2 friends until the friends meet.

How many miles does the pigeon travel?

Can you count the number of matches in the picture 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?