diff --git a/examples/cancel/main.go b/examples/cancel/main.go
index b782a58..bdaf555 100644
--- a/examples/cancel/main.go
+++ b/examples/cancel/main.go
@@ -44,8 +44,9 @@
 
 		go func() {
 			defer wg.Done()
+			max := 200 * time.Millisecond
 			for !bar.Completed() {
-				time.Sleep(randomDuration(200 * time.Millisecond))
+				time.Sleep(time.Duration(rand.Intn(10)+1) * max / 10)
 				bar.Increment()
 			}
 		}()
@@ -54,7 +55,3 @@
 	p.Stop()
 	fmt.Println("stop")
 }
-
-func randomDuration(max time.Duration) time.Duration {
-	return time.Duration(rand.Intn(10)+1) * max / 10
-}
diff --git a/examples/complete/main.go b/examples/complete/main.go
index 69733f8..887a004 100644
--- a/examples/complete/main.go
+++ b/examples/complete/main.go
@@ -37,8 +37,9 @@
 		)
 		go func() {
 			defer wg.Done()
+			max := 200 * time.Millisecond
 			for i := 0; i < total; i++ {
-				time.Sleep(time.Duration(rand.Intn(10)+1) * (200 * time.Millisecond) / 10)
+				time.Sleep(time.Duration(rand.Intn(10)+1) * max / 10)
 				b.Increment()
 				if b.ID() == 1 && i == 42 {
 					b.Complete()
diff --git a/examples/dynTotal/main.go b/examples/dynTotal/main.go
index d4e13b2..1df7c4a 100644
--- a/examples/dynTotal/main.go
+++ b/examples/dynTotal/main.go
@@ -40,6 +40,7 @@
 		bar.SetTotal(300, true)
 	}()
 
+	max := 200 * time.Millisecond
 	for i := 0; i < 300; i++ {
 		if i == 140 {
 			close(totalUpd1)
@@ -47,7 +48,7 @@
 		if i == 250 {
 			close(totalUpd2)
 		}
-		time.Sleep(time.Duration(rand.Intn(10)+1) * (200 * time.Millisecond) / 10)
+		time.Sleep(time.Duration(rand.Intn(10)+1) * max / 10)
 		bar.Increment()
 	}
 
diff --git a/examples/panic/main.go b/examples/panic/main.go
index 1a0e8ea..b50ac94 100644
--- a/examples/panic/main.go
+++ b/examples/panic/main.go
@@ -21,7 +21,7 @@
 		name := fmt.Sprintf("b#%02d:", i)
 		bar := p.AddBar(100, mpb.BarID(i), mpb.PrependDecorators(
 			func(s *decor.Statistics, _ chan<- int, _ <-chan int) string {
-				if s.ID == 2 && s.Current >= 42 {
+				if s.ID == 2 && s.Current == 42 {
 					panic(wantPanic)
 				}
 				return name
diff --git a/examples/prependETA/main.go b/examples/prependETA/main.go
index 3a2c5d7..974bc6a 100644
--- a/examples/prependETA/main.go
+++ b/examples/prependETA/main.go
@@ -37,8 +37,9 @@
 		)
 		go func() {
 			defer wg.Done()
+			max := 200 * time.Millisecond
 			for i := 0; i < total; i++ {
-				time.Sleep(time.Duration(rand.Intn(10)+1) * (200 * time.Millisecond) / 10)
+				time.Sleep(time.Duration(rand.Intn(10)+1) * max / 10)
 				b.Increment()
 			}
 		}()
diff --git a/examples/prependElapsed/main.go b/examples/prependElapsed/main.go
index e0a336a..3cc0ae2 100644
--- a/examples/prependElapsed/main.go
+++ b/examples/prependElapsed/main.go
@@ -38,8 +38,9 @@
 		)
 		go func() {
 			defer wg.Done()
+			max := 200 * time.Millisecond
 			for i := 0; i < total; i++ {
-				time.Sleep(time.Duration(rand.Intn(10)+1) * (200 * time.Millisecond) / 10)
+				time.Sleep(time.Duration(rand.Intn(10)+1) * max / 10)
 				b.Increment()
 			}
 		}()
diff --git a/examples/remove/main.go b/examples/remove/main.go
index 9e7ea5e..12d5bef 100644
--- a/examples/remove/main.go
+++ b/examples/remove/main.go
@@ -37,8 +37,9 @@
 		)
 		go func() {
 			defer wg.Done()
+			max := 200 * time.Millisecond
 			for i := 0; i < total; i++ {
-				time.Sleep(time.Duration(rand.Intn(10)+1) * (200 * time.Millisecond) / 10)
+				time.Sleep(time.Duration(rand.Intn(10)+1) * max / 10)
 				b.Increment()
 				if b.ID() == 1 && i == 42 {
 					p.RemoveBar(b)
diff --git a/examples/sort/main.go b/examples/sort/main.go
index 03a54c5..c6bd673 100644
--- a/examples/sort/main.go
+++ b/examples/sort/main.go
@@ -37,8 +37,9 @@
 		)
 		go func() {
 			defer wg.Done()
+			max := 200 * time.Millisecond
 			for i := 0; i < total; i++ {
-				time.Sleep(time.Duration(rand.Intn(10)+1) * (200 * time.Millisecond) / 10)
+				time.Sleep(time.Duration(rand.Intn(10)+1) * max / 10)
 				if i&1 == 1 {
 					priority := total - int(b.Current())
 					p.UpdateBarPriority(b, priority)
diff --git a/examples/stress/main.go b/examples/stress/main.go
index 330d45d..6a3d72a 100644
--- a/examples/stress/main.go
+++ b/examples/stress/main.go
@@ -39,8 +39,9 @@
 
 		go func() {
 			defer wg.Done()
+			max := 300 * time.Millisecond
 			for i := 0; i < total; i++ {
-				time.Sleep(time.Duration(rand.Intn(10)+1) * (200 * time.Millisecond) / 10)
+				time.Sleep(time.Duration(rand.Intn(10)+1) * max / 10)
 				bar.Increment()
 			}
 		}()