Return x by adding a random number to it.
There is a serious disconnect between the problem statement and what is actually being tested.
Sums with Excluded Digits
Back to basics 15 - Benchmark
Side of a rhombus
Finding perimeter of a rectangle
Probabilities - More brains than luck
Probabilities - Balls and urns - 01
A shooting competition
Non trivial identities - differentiation
Geometrical meaning of determinant
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