An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. For example, 153 is an Armstrong number since 1^3 + 5^3 + 3^3 = 153.
The Goldbach Conjecture
Right and wrong
Volume and area of a sphere
Simple date to serial no. conversion
Given a 4x4 matrix, swap the two middle columns
give-nth-decimal-place-of-pi up to 100 digits
CONVERT TAN TO SIN
Given area find sides
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