diff --git a/PWGLF/Tasks/Resonances/k892analysis.cxx b/PWGLF/Tasks/Resonances/k892analysis.cxx
index deac62b4cba..9c92de7c6b6 100644
--- a/PWGLF/Tasks/Resonances/k892analysis.cxx
+++ b/PWGLF/Tasks/Resonances/k892analysis.cxx
@@ -149,19 +149,19 @@ struct k892analysis {
     histos.add("QAafter/trkpT_pi", "pT distribution of pion track candidates", kTH1F, {ptAxis});
     histos.add("QAafter/trkpT_ka", "pT distribution of kaon track candidates", kTH1F, {ptAxis});
     // PID QA before cuts
-    histos.add("QAbefore/TOF_TPC_Map_pi_all", "TOF + TPC Combined PID for Pion;#sigma_{TOF}^{Pion};#sigma_{TPC}^{Pion}", {HistType::kTH2D, {pidQAAxis, pidQAAxis}});
-    histos.add("QAbefore/TOF_Nsigma_pi_all", "TOF NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TOF}^{Pion};", {HistType::kTH2D, {ptAxisQA, pidQAAxis}});
-    histos.add("QAbefore/TPC_Nsigma_pi_all", "TPC NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TPC}^{Pion};", {HistType::kTH2D, {ptAxisQA, pidQAAxis}});
-    histos.add("QAbefore/TOF_TPC_Mapka_all", "TOF + TPC Combined PID for Pion;#sigma_{TOF}^{Kaon};#sigma_{TPC}^{Kaon}", {HistType::kTH2D, {pidQAAxis, pidQAAxis}});
-    histos.add("QAbefore/TOF_Nsigma_ka_all", "TOF NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TOF}^{Kaon};", {HistType::kTH2D, {ptAxisQA, pidQAAxis}});
-    histos.add("QAbefore/TPC_Nsigmaka_all", "TPC NSigma for Kaon;#it{p}_{T} (GeV/#it{c});#sigma_{TPC}^{Kaon};", {HistType::kTH2D, {ptAxisQA, pidQAAxis}});
+    histos.add("QAbefore/TOF_TPC_Map_pi_all", "TOF + TPC Combined PID for Pion;#sigma_{TOF}^{Pion};#sigma_{TPC}^{Pion}", {HistType::kTH2F, {pidQAAxis, pidQAAxis}});
+    histos.add("QAbefore/TOF_Nsigma_pi_all", "TOF NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TOF}^{Pion};", {HistType::kTH3F, {centAxis, ptAxisQA, pidQAAxis}});
+    histos.add("QAbefore/TPC_Nsigma_pi_all", "TPC NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TPC}^{Pion};", {HistType::kTH3F, {centAxis, ptAxisQA, pidQAAxis}});
+    histos.add("QAbefore/TOF_TPC_Mapka_all", "TOF + TPC Combined PID for Pion;#sigma_{TOF}^{Kaon};#sigma_{TPC}^{Kaon}", {HistType::kTH2F, {pidQAAxis, pidQAAxis}});
+    histos.add("QAbefore/TOF_Nsigma_ka_all", "TOF NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TOF}^{Kaon};", {HistType::kTH3F, {centAxis, ptAxisQA, pidQAAxis}});
+    histos.add("QAbefore/TPC_Nsigmaka_all", "TPC NSigma for Kaon;#it{p}_{T} (GeV/#it{c});#sigma_{TPC}^{Kaon};", {HistType::kTH3F, {centAxis, ptAxisQA, pidQAAxis}});
     // PID QA after cuts
-    histos.add("QAafter/TOF_TPC_Map_pi_all", "TOF + TPC Combined PID for Pion;#sigma_{TOF}^{Pion};#sigma_{TPC}^{Pion}", {HistType::kTH2D, {pidQAAxis, pidQAAxis}});
-    histos.add("QAafter/TOF_Nsigma_pi_all", "TOF NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TOF}^{Pion};", {HistType::kTH2D, {ptAxisQA, pidQAAxis}});
-    histos.add("QAafter/TPC_Nsigma_pi_all", "TPC NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TPC}^{Pion};", {HistType::kTH2D, {ptAxisQA, pidQAAxis}});
-    histos.add("QAafter/TOF_TPC_Mapka_all", "TOF + TPC Combined PID for Pion;#sigma_{TOF}^{Kaon};#sigma_{TPC}^{Kaon}", {HistType::kTH2D, {pidQAAxis, pidQAAxis}});
-    histos.add("QAafter/TOF_Nsigma_ka_all", "TOF NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TOF}^{Kaon};", {HistType::kTH2D, {ptAxisQA, pidQAAxis}});
-    histos.add("QAafter/TPC_Nsigmaka_all", "TPC NSigma for Kaon;#it{p}_{T} (GeV/#it{c});#sigma_{TPC}^{Kaon};", {HistType::kTH2D, {ptAxisQA, pidQAAxis}});
+    histos.add("QAafter/TOF_TPC_Map_pi_all", "TOF + TPC Combined PID for Pion;#sigma_{TOF}^{Pion};#sigma_{TPC}^{Pion}", {HistType::kTH2F, {pidQAAxis, pidQAAxis}});
+    histos.add("QAafter/TOF_Nsigma_pi_all", "TOF NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TOF}^{Pion};", {HistType::kTH3F, {centAxis, ptAxisQA, pidQAAxis}});
+    histos.add("QAafter/TPC_Nsigma_pi_all", "TPC NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TPC}^{Pion};", {HistType::kTH3F, {centAxis, ptAxisQA, pidQAAxis}});
+    histos.add("QAafter/TOF_TPC_Mapka_all", "TOF + TPC Combined PID for Pion;#sigma_{TOF}^{Kaon};#sigma_{TPC}^{Kaon}", {HistType::kTH2F, {pidQAAxis, pidQAAxis}});
+    histos.add("QAafter/TOF_Nsigma_ka_all", "TOF NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TOF}^{Kaon};", {HistType::kTH3F, {centAxis, ptAxisQA, pidQAAxis}});
+    histos.add("QAafter/TPC_Nsigmaka_all", "TPC NSigma for Kaon;#it{p}_{T} (GeV/#it{c});#sigma_{TPC}^{Kaon};", {HistType::kTH3F, {centAxis, ptAxisQA, pidQAAxis}});
 
     // 3d histogram
     histos.add("h3k892invmassDS", "Invariant mass of K(892)0 differnt sign", kTH3F, {centAxis, ptAxis, invMassAxis});
@@ -176,10 +176,10 @@ struct k892analysis {
       histos.add("QAMCTrue/trkDCAxy_ka", "DCAxy distribution of kaon track candidates", HistType::kTH1F, {dcaxyAxis});
       histos.add("QAMCTrue/trkDCAz_pi", "DCAz distribution of pion track candidates", HistType::kTH1F, {dcazAxis});
       histos.add("QAMCTrue/trkDCAz_ka", "DCAz distribution of kaon track candidates", HistType::kTH1F, {dcazAxis});
-      histos.add("QAMCTrue/TOF_Nsigma_pi_all", "TOF NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TOF}^{Pion};", {HistType::kTH2D, {ptAxisQA, pidQAAxis}});
-      histos.add("QAMCTrue/TPC_Nsigma_pi_all", "TPC NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TPC}^{Pion};", {HistType::kTH2D, {ptAxisQA, pidQAAxis}});
-      histos.add("QAMCTrue/TOF_Nsigma_ka_all", "TOF NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TOF}^{Kaon};", {HistType::kTH2D, {ptAxisQA, pidQAAxis}});
-      histos.add("QAMCTrue/TPC_Nsigmaka_all", "TPC NSigma for Kaon;#it{p}_{T} (GeV/#it{c});#sigma_{TPC}^{Kaon};", {HistType::kTH2D, {ptAxisQA, pidQAAxis}});
+      histos.add("QAMCTrue/TOF_Nsigma_pi_all", "TOF NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TOF}^{Pion};", {HistType::kTH3F, {centAxis, ptAxisQA, pidQAAxis}});
+      histos.add("QAMCTrue/TPC_Nsigma_pi_all", "TPC NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TPC}^{Pion};", {HistType::kTH3F, {centAxis, ptAxisQA, pidQAAxis}});
+      histos.add("QAMCTrue/TOF_Nsigma_ka_all", "TOF NSigma for Pion;#it{p}_{T} (GeV/#it{c});#sigma_{TOF}^{Kaon};", {HistType::kTH3F, {centAxis, ptAxisQA, pidQAAxis}});
+      histos.add("QAMCTrue/TPC_Nsigmaka_all", "TPC NSigma for Kaon;#it{p}_{T} (GeV/#it{c});#sigma_{TPC}^{Kaon};", {HistType::kTH3F, {centAxis, ptAxisQA, pidQAAxis}});
       histos.add("h3Reck892invmass", "Invariant mass of Reconstructed MC K(892)0", kTH3F, {centAxis, ptAxis, invMassAxis});
       histos.add("h3Reck892invmassAnti", "Invariant mass of Reconstructed MC Anti-K(892)0", kTH3F, {centAxis, ptAxis, invMassAxis});
       histos.add("k892Gen", "pT distribution of True MC K(892)0", kTH2D, {ptAxis, centAxis});
@@ -371,15 +371,15 @@ struct k892analysis {
       if constexpr (!IsMix) {
         //// QA plots before the selection
         //  --- PID QA Pion
-        histos.fill(HIST("QAbefore/TPC_Nsigma_pi_all"), trk1ptPi, trk1NSigmaPiTPC);
+        histos.fill(HIST("QAbefore/TPC_Nsigma_pi_all"), multiplicity, trk1ptPi, trk1NSigmaPiTPC);
         if (isTrk1hasTOF) {
-          histos.fill(HIST("QAbefore/TOF_Nsigma_pi_all"), trk1ptPi, trk1NSigmaPiTOF);
+          histos.fill(HIST("QAbefore/TOF_Nsigma_pi_all"), multiplicity, trk1ptPi, trk1NSigmaPiTOF);
           histos.fill(HIST("QAbefore/TOF_TPC_Map_pi_all"), trk1NSigmaPiTOF, trk1NSigmaPiTPC);
         }
         //  --- PID QA Kaon
-        histos.fill(HIST("QAbefore/TPC_Nsigmaka_all"), trk2ptKa, trk2NSigmaKaTPC);
+        histos.fill(HIST("QAbefore/TPC_Nsigmaka_all"), multiplicity, trk2ptKa, trk2NSigmaKaTPC);
         if (isTrk2hasTOF) {
-          histos.fill(HIST("QAbefore/TOF_Nsigma_ka_all"), trk2ptKa, trk2NSigmaKaTOF);
+          histos.fill(HIST("QAbefore/TOF_Nsigma_ka_all"), multiplicity, trk2ptKa, trk2NSigmaKaTOF);
           histos.fill(HIST("QAbefore/TOF_TPC_Mapka_all"), trk2NSigmaKaTOF, trk2NSigmaKaTPC);
         }
         histos.fill(HIST("QAbefore/trkpT_pi"), trk1ptPi);
@@ -409,15 +409,15 @@ struct k892analysis {
       if constexpr (!IsMix) {
         //// QA plots after the selection
         //  --- PID QA Pion
-        histos.fill(HIST("QAafter/TPC_Nsigma_pi_all"), trk1ptPi, trk1NSigmaPiTPC);
+        histos.fill(HIST("QAafter/TPC_Nsigma_pi_all"), multiplicity, trk1ptPi, trk1NSigmaPiTPC);
         if (isTrk1hasTOF) {
-          histos.fill(HIST("QAafter/TOF_Nsigma_pi_all"), trk1ptPi, trk1NSigmaPiTOF);
+          histos.fill(HIST("QAafter/TOF_Nsigma_pi_all"), multiplicity, trk1ptPi, trk1NSigmaPiTOF);
           histos.fill(HIST("QAafter/TOF_TPC_Map_pi_all"), trk1NSigmaPiTOF, trk1NSigmaPiTPC);
         }
         //  --- PID QA Kaon
-        histos.fill(HIST("QAafter/TPC_Nsigmaka_all"), trk2ptKa, trk2NSigmaKaTPC);
+        histos.fill(HIST("QAafter/TPC_Nsigmaka_all"), multiplicity, trk2ptKa, trk2NSigmaKaTPC);
         if (isTrk2hasTOF) {
-          histos.fill(HIST("QAafter/TOF_Nsigma_ka_all"), trk2ptKa, trk2NSigmaKaTOF);
+          histos.fill(HIST("QAafter/TOF_Nsigma_ka_all"), multiplicity, trk2ptKa, trk2NSigmaKaTOF);
           histos.fill(HIST("QAafter/TOF_TPC_Mapka_all"), trk2NSigmaKaTOF, trk2NSigmaKaTPC);
         }
         histos.fill(HIST("QAafter/trkpT_pi"), trk1ptPi);
@@ -464,13 +464,13 @@ struct k892analysis {
           histos.fill(HIST("QAMCTrue/trkDCAxy_ka"), trk2.dcaXY());
           histos.fill(HIST("QAMCTrue/trkDCAz_pi"), trk1.dcaZ());
           histos.fill(HIST("QAMCTrue/trkDCAz_ka"), trk2.dcaZ());
-          histos.fill(HIST("QAMCTrue/TPC_Nsigma_pi_all"), trk1ptPi, trk1NSigmaPiTPC);
+          histos.fill(HIST("QAMCTrue/TPC_Nsigma_pi_all"), multiplicity, trk1ptPi, trk1NSigmaPiTPC);
           if (isTrk1hasTOF) {
-            histos.fill(HIST("QAMCTrue/TOF_Nsigma_pi_all"), trk1ptPi, trk1NSigmaPiTOF);
+            histos.fill(HIST("QAMCTrue/TOF_Nsigma_pi_all"), multiplicity, trk1ptPi, trk1NSigmaPiTOF);
           }
-          histos.fill(HIST("QAMCTrue/TPC_Nsigmaka_all"), trk2ptKa, trk2NSigmaKaTPC);
+          histos.fill(HIST("QAMCTrue/TPC_Nsigmaka_all"), multiplicity, trk2ptKa, trk2NSigmaKaTPC);
           if (isTrk2hasTOF) {
-            histos.fill(HIST("QAMCTrue/TOF_Nsigma_ka_all"), trk2ptKa, trk2NSigmaKaTOF);
+            histos.fill(HIST("QAMCTrue/TOF_Nsigma_ka_all"), multiplicity, trk2ptKa, trk2NSigmaKaTOF);
           }
 
           // MC histograms