Can you replace the question mark with the correct number in the below table sequence?

Why do people go to bed?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

Why is it against the law for a man living in Delhi to be buried in Mumbai?

Which is the smallest number that you can write using all the vowels exactly once?

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?