What four weights can be used to balance from 1 to 30 pounds?

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

I am an odd number. Take away a letter and I become even. What number am I?

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.

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

I have branches, but no fruit, trunk or leaves. What am I?

Can you find the company name in the pictogram below?