Jack and Tree Height

When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?




Similar Riddles

How can a man go eight days without sleep?

Asked by Neha on 11 Mar 2024


Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Asked by Neha on 18 Apr 2024

I am an odd number. Take away a letter and I become even. What number am I?

Asked by Neha on 25 Feb 2022


As shown in the picture below, we can see a boy hanging on the tree branch to save his life. There are various ways in which he can die like1. A snake hanging toward the right waiting to bite the boy.2. A roaring Lion near the tree.3. Two crocodiles are ready to attack if the boy reaches near water. The tree is chopped to some extent, so can fall as if he moves a lot. Can you give this boy an escape plan?

The Escape Plan

Asked by Neha on 06 Jul 2023

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Asked by Neha on 17 May 2021

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

Asked by Neha on 14 Aug 2024


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

What does this simple rebus mean?

What does this mean

Asked by Neha on 18 Jun 2023

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

Asked by Neha on 30 May 2025


You can see it everyday, But cannot touch it at will. What is it?

Asked by Neha on 17 May 2021

Hot Articles

Amazing Facts

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