What English word has three consecutive double letters?

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

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

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?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

What am I?

What is wrong in the below Picture?