What do you call a fish without an eye?

what does the below math rebus puzzle mean?

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?

A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Can you find out which options fits best with the missing column?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

I have no life, but I can die. What am I?

What is the word or phrase?