OLX cycle sale scam: QR code trick to steal ₹10,000

I got got a scamp from a OLX user.I need to sell a cycle in OLX.Then one person is interested to buy my cycle.Then he need to pay the money online.Then he send a qr code , and the person\n Says you need to scan the QR Code and you need to enter pill. The first line jaction is ₹5. We will enter pin. Then\n We received the ₹5, then the person sent 10000Q code. Then we scan again enter the pain bane. Then our money is 10000 is sent to that person.Then he is saying, our server has the problem You will be receive money in 24 hours than 24 hours done. Then the number is closed.