What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

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?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

The more of this there is, the less you see. What is it?

What goes through cities and fields, but never moves?

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?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA