Made partial exit but avg remains high as 2nd buy

Zerodha
1

I bought X at 292 with 52 qty. Then added 19 quantities at 420. Avg came 326. I sold 60 qty at 344 SL. But why is avg of remaining 11 Qty at 420? Please help.

2

Shares that you bought first are sold first that is why you are seeing higher average price.