I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?

There are three Athletes (John, Tarun and Harish) and their individual Coaches (Jacob, Meenaxi and Priyanka) standing on the shore.
No Coach trusts their Athlete to be near any other Coach unless they are also with them.
There is a boat that can hold a maximum of two persons.
How can the six people get across the river?

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

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

Why is it very easy to weigh a fish?

Can you replace the question mark with the correct number?

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

What can you hold in your right hand, but never in your left hand?