What is so fragile that saying its name breaks it?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

What does this say?

XLR8

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

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?

What has to be broken before you can use it?

There is something which is always coming but never arrives?

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

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

what does this picture(rebus) riddle means ?