What has to be broken before you can use it?

What is more useful when it is broken?

Why do you find that most of the buildings are deprived of the 13th floor?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

What country can make you shiver?

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

Rose, Lily and Jasmine decided to buy flowers for their moms on Mother's Day. One of them bought lilies, the other roses, and the third one jasmines.
'It's funny!' said the girl with roses, 'we bought roses, jasmines and lilies, but none of us bought the flowers matching her name'.
'You're right!', said Lily.
What kind of flowers did each of the girls buy?

Find out the number of circles in the given picture having Illusion

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?