public static void MostFrequentlyType(List <Car> carlist)
{
var frequentlyTypeList = carlist.GroupBy(x => new { x.color, x.type }).OrderByDescending(x => x.Count());
var maxRep = frequentlyTypeList.Max(x => x.Count());
var mostFrequentlyType = frequentlyTypeList.Where(x => x.Count() == maxRep);
Console.WriteLine("\nMost Frequently Type:");
foreach (var type in mostFrequentlyType)
{
Console.WriteLine("{0} {1} {2}", type.Key.type, type.Key.color, type.Count());
}
}