By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

What demands an answer, but asks no questions

A father's child, a mother's child, yet no one's son.

Who am I?

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

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

You need to arrange three 7 and mathematical symbols to form number 1?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Which number comes next in the number series?

2, 9, 30, 93, ?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?