What does this rebus riddle means ?

You are an expert on paranormal activity and have been hired to locate a spirit haunting an old resort hotel. Strong signs indicate that the spirit lies behind one of four doors. The inscriptions on each door read as follows:

Door A: It's behind B or C
Door B: Its behind A or D
Door C: It's in here
Door D: It's not in here

Your psychic powers have told you three of the inscriptions are false, and one is true. Behind which door will you find the spirit?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

What do you get if you add 2 to 100 four times?

Can you find out which options fits best with the missing column?

What does this rebus puzzle means ?

Can you count the number of blocks in the picture below?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

You see me once in June, twice in November, and not at all in May. What am I?