Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

What kind of tree can you carry in your hand?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

What has one eye, but can’t see?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

Remove two matchsticks to make the below equation correct.

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?