A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

who is silent in the parliament?

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

Can you fill the blank with the correct number?

6 30 870 756030 _____

What is the longest word in the dictionary?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211