O_er_t_o_

Complete the missing letters of the given word.

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

What jumps when it walks and sits when it stands?

How can you take 2 from 5 and leave 4?

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?

What word begins and ends with an E, but has only one letter?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?