What has one letter and starts with an E?

Move three sticks of the spiral below to form a square.

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

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 is in seasons, seconds, centuries and minutes but not in decades, years or days?

Solve this riddle by finding the odd one out from the rest.

John was gifted a new Hayabusa. He drove x miles at 55mph. Then he drove x+20 miles at 40mps. He drove his bike for 100 minutes. How much distance did he travel?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

what one word does the below rebus identifies?

No one wants to have it, but if one got it, he does not want to lose it. What is It?