Answer Posted / a.g.dhivyalakshmi

//swaping of 2 numbers without using temp variable
//a=5 & b=6
a=a+b; //a=30
b=a-b; //b=5
a=a-b; //a=6

//Thus two numbers are swapped

// or
//a=5 & b=6
a=a*b; //a=30
b=a/b; //b=5
a=a/b; //a=6

//Thus two numbers are swapped

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