Answer / er

Only #2 will work. The others may over/under flow.

Answer / krishna

a=(a>b?a:b)

Answer / ankush

using ref keyword we can swap 2 number's

emaple
class swap
{
public void add(ref int a,ref int b)
{
int z;
z=a;
a=b;
b=z;
}
}
class swapdemo
{
static void main()
{
int x=10,y=5;
ankush obj=new ankush();
Console.writeline{"befor value's"+a+","+b};
obj.swap(ref x, ref y);
Console.writeline("after values"+a+","+b);
}
}

Answer / vinay_csjm

a=5,b=10
a=a-b;
b=a+b;
a=a+b;

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