Ball Jumping

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?




Similar Riddles

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

Asked by Neha on 29 Oct 2023


At a bar, three friends, Mr Green, Mr Red and Mr Blue, were having a drink. One man was wearing a red suit; one a green suit; and the other a blue suit. 'Have you noticed,' said the man in the blue suit, 'that although our suits have colours corresponding to our names, not one of us is wearing a suit that matches our own names?' Mr Red looked at the other two and said, 'You're absolutely correct. What colour suit is each man wearing?

Asked by Neha on 03 Dec 2023

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

Asked by Neha on 09 Dec 2023


Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

Asked by Neha on 08 Jul 2024

Why did the Girl throw the butter out of the window?

Asked by Neha on 19 Aug 2024

What English word has three consecutive double letters?

Asked by Neha on 22 Jan 2023


What can you see in the middle of March and April that you can never see in any other month?

Asked by Neha on 13 Oct 2021

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

Asked by Neha on 09 Jan 2021

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

Asked by Neha on 30 Jan 2023


In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Make Six Square

Asked by Neha on 14 May 2021

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No Solution

In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki