What does below Rebus say?

XLR8

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

Different lights make me strange by changing me into different sizes. What am I?

What kind of band never plays music?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?