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?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

Spot 5 differences in two Christmas tree below:

I shave every day, but my beard stays the same. What am I?

I always drive my customer away.

Who am I?

Make a sentence consisting of three words that have the whole alphabet.

The husband and wife were jogging in the morning. To match every two steps of the husband, the wife required three steps. If Both of them start with the here right foot. After how many steps do their left foot be together?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?