2, 3, 5, 9, 17, _ What is the next number in the sequence?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

Give it food and it will live; give it water and it will die.

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

I am the fastest animal but cannot climb the tree. What am I?

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

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

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

There are six people in a family namely M, N, O, P, Q and R.

R and O are brother and sister.

N is the brother of Q's husband.
P is the father of M and grandfather of R.

How many male members are in the family?

Count the number of squares in the picture below.