mithilesh kumar singh

                *
            *  *  * 
        *  *  *  *  *
    *  *  *  *  *  *  * 
*  *  *  *  *  *  *  *  *

class Program

{ static void Main(string[] args)

{
for (int row = 1; row <= 5; row++)

{
 for (int space = 5; space >= row; space--)

{
Console.Write(" ");


}
for (int coll = 1; coll <= (row * 2) - 1; coll++)

{ 
Console.Write("*");


}
Console.WriteLine();

}
 Console.ReadLine();

}

}