What has to be broken before you can use it?

O_er_t_o_

Complete the missing letters of the given word.

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

How many letters are in the alphabet?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

What month of the year has 28 days?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?