Can you solve the maths in the below-given picture equation?

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?

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

Solve the puzzle by telling what does below picture means.

What is black when you buy it, red when you use it, and gray when you throw it away?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

What does below chemistry rebus means?