Quick Maths 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?




Similar Riddles

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

Asked by Neha on 06 May 2025


What is more useful when it is broken?

Asked by Neha on 30 Mar 2022

A guy in his thirties is found dead in a forest. The shocking thing about the body is that he is wearing his swimming trunks snorkel and a facemask.

For your information, the nearest lake is some 10 miles away and the sea is hundreds of miles away.

How did he die then?

Asked by Neha on 15 Oct 2025


If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?

Asked by Neha on 25 Jan 2026

An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet.

How much time do you think the monkey will take to reach the top of the pole?

Asked by Neha on 29 Sep 2024

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Asked by Neha on 25 Aug 2025


What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

Asked by Neha on 26 Mar 2022

Solve the following series:
AZ, GT, MN, __, YB

Asked by Neha on 29 Sep 2023

Can you identify the hidden rebus in the image below?

Name the Coded Animal

Asked by Neha on 01 Feb 2021


There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

Asked by Neha on 12 Feb 2022

Hot Articles

Amazing Facts

Rubik’s Cube

The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.