Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

Four children having five rocks each were playing a game in which they had to throw the rock at a particular solid area in the water. Child 1- Succeeded in throwing three rocks at a solid area but one of the rocks sunk. Child 3 - His aim was so bad that all rocks got sunk. Child 4- He was awesome and none of the rocks got sunk. Child 2 - Was the winner but was struck by a rock in the head and died. Who killed Child 2?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?