How many times do a clock's hands overlap in a day ?

They are three errirs in this question. Can you find them?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

What is the word or phrase?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

John was writing his first book. After saving the document, he locked his laptop with a password and mentioned some phrases for the hint box.

A friend of his tried opening his laptop but found out that it was password protected. Following is the hint that appeared.
1 mobile 3 books 2 roars 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches.

Can you help him in cracking the password?

How many letters are in the alphabet?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?