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

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

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

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

What demands an answer, but asks no questions

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

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

I make two people out of one. What am I?