A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Can it be possible to build a house that has all its four walls facing towards the South?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

What is harder to catch the faster you run?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?