ITR Processing takes how much time after e-verification

I filed 4 ITRs a)ITR1 filed and e-verified on 8.6.24, it shows as on 21.6.24 under processing; b) filed and e-verified ITR2 on 20.6.24 and it shows under processing since 23.6.24; c) filed and e-verified ITR1 21.6.24 and it shows wait for processing; ITR1 filed and e-verified on 8.6.24 and was processed on 21.6.24 and refund received 23.6.24. How long does it normally take to process.