CSHARP

c# get random double in range

public double GetRandomNumber(double minimum, double maximum)
{ 
    Random random = new Random();
    return random.NextDouble() * (maximum - minimum) + minimum;
}

C# random multiple of 5 in range

var random = new Random();

int rand = random.Next(0, 12); 	// for a resulting range of 0 to 60 
int scaledRand = rand * 5;		// in multiples of 5