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

O T T F F S S ?

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?

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

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

When it is alive we sing, when it is dead we clap our hands. What is it?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

What's the only room from which no one can enter or leave