# Euler problems/91 to 100

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(→[http://projecteuler.net/index.php?section=problems&id=97 Problem 97]: a solution) |
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== [http://projecteuler.net/index.php?section=problems&id=91 Problem 91] == | == [http://projecteuler.net/index.php?section=problems&id=91 Problem 91] == | ||

Find the number of right angle triangles in the quadrant. | Find the number of right angle triangles in the quadrant. |

## Revision as of 21:02, 23 June 2007

## Contents |

## 1 Problem 91

Find the number of right angle triangles in the quadrant.

Solution:

problem_91 = undefined

## 2 Problem 92

Investigating a square digits number chain with a surprising property.

Solution:

problem_92 = undefined

## 3 Problem 93

Using four distinct digits and the rules of arithmetic, find the longest sequence of target numbers.

Solution:

problem_93 = undefined

## 4 Problem 94

Investigating almost equilateral triangles with integral sides and area.

Solution:

problem_94 = undefined

## 5 Problem 95

Find the smallest member of the longest amicable chain with no element exceeding one million.

Solution:

problem_95 = undefined

## 6 Problem 96

Devise an algorithm for solving Su Doku puzzles.

Solution:

problem_96 = undefined

## 7 Problem 97

Find the last ten digits of the non-Mersenne prime: 28433 × 2^{7830457} + 1.

Solution:

problem_97 = (28433 * 2^7830457 + 1) `mod` (10^10)

## 8 Problem 98

Investigating words, and their anagrams, which can represent square numbers.

Solution:

problem_98 = undefined

## 9 Problem 99

Which base/exponent pair in the file has the greatest numerical value?

Solution:

problem_99 = undefined

## 10 Problem 100

Finding the number of blue discs for which there is 50% chance of taking two blue.

Solution:

problem_100 = undefined