Can you decipher the two rows to find the hidden word?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

What's a single-digit number with no value?

What begins with T, ends with T, and has T in it?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

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