Which is the smallest number that you can write using all the vowels exactly once?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

What does the below rebus riddle means?

Can you name an animal whose killing cannot be performed without spilling your own blood?

Solve the rebus riddle in the picture below.

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?