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

O T T F F S S ?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

A car meter reading shows 72927 miles a palindromic number.
what is the minimum number of miles you would need to travel to see another palindromic number on the car meter reading?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

what does this below rebus represent identXQQQQQME

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Different lights make me strange by changing me into different sizes. What am I?

O_er_t_o_

Complete the missing letters of the given word.

Replace the question mark with the correct number in below Picture:

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?