Replace the question mark with the correct number in the below-given picture?

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Find the hidden panda in the image below.

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

I am quite hot but become too cold if you remove the first two letters. What am I?

Our product and our sum always give the same answer. Who are we?

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

What do you get if you add 2 to 100 four times?

What is the next number in this matchsticks series riddle?