O_er_t_o_

Complete the missing letters of the given word.

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

What question can you never answer yes to?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

What Adam and Eve do not have but the rest of the people have?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

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?

Can you replace the question mark with the correct number in the below table sequence?