They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

Give it food and it will live; give it water and it will die.

How many times can you subtract the number 5 from 25?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

How many times can you subtract the number two from the number fifty?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

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 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.

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?