I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

If six children and two dogs were under an umbrella, how come none of them got wet?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

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

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?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

If eleven plus two equals one, what does nine plus five equal?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Can you write down eight eights so that they add up to one thousand?

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?