Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

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

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

What is full of holes but still holds water?

Why did the Girl throw the butter out of the window?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?