Here is a mathematical expression that also secretly tells a movie name. What movie is that?

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

The cream is heavier than Milk. True or False?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

What has one letter and starts with an E?

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?

How many times in a given day, minutes and hour clock comes in a straight line ?

Can you find out the number that should replace the question mark with a valid reason?

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?