Vishnu sold two items X and Y for ₹600 each, thereby gaining 20% on item X and losing 20% on item Y. Find his overall loss or gain percentage.

Loss of 4%

In this type of questions when the same amount of profit and loss occurs then there will always be loss and we will follow this pattern given below =  

$\frac{x × x}{100}$ = $\frac{20 × 20}{100}$ = 4% (Loss)