In a right angle triangle given area 'A'
one arm=x, another arm=2x
then find the value of x.
For example, area A=400 then x=20;
The Goldbach Conjecture, Part 2
Project Euler: Problem 6, Natural numbers, squares and sums.
Solving Quadratic Equations (Version 1)
Given a 4x4 matrix, swap the two middle columns
match 2 string
Simple date to serial no. conversion
Is it an Armstrong number?
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