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

Three friends named Mr. Black, Mr. Yellow and Mr. Green enter a pub on a weekend night. They are wearing either a Black, Yellow or Green shirt.

Mr. Yellow says to them, 'Did you notice that we all are wearing different color shirts than our names?'

To this, the man who was wearing the Green shirt said. 'Wow, thats right.'

Can you identify who is wearing which colour shirt ?

Asked by Neha on 28 Jul 2021


What does this Rebus Picture means ?

Rebus riddle with Show on the side

Asked by Neha on 23 Apr 2021

A pet show was happening in my locality. I went down along with my kids. In that show, I noticed that all except two of the entries were cats. All except two were dogs and all except two were Monkeys.

Can you find out how many of each animals were present in that pet show?

Asked by Neha on 04 Feb 2021


I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

Asked by Neha on 03 Jul 2025

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

Movie in Rabus

Asked by Neha on 14 May 2021

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

Asked by Neha on 28 Jun 2023


Which tank will fill first?

Fill The Tank

Asked by Neha on 13 Jul 2021

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Asked by Neha on 31 Dec 2024

What is the riddle which can be asked all day with a different correct answer each time.

Always New Answer

Asked by Neha on 22 Mar 2021


If eleven plus two equals one, what does nine plus five equal?

Asked by Neha on 07 Oct 2021

Hot Articles

Amazing Facts

Challenging

There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.