Lame joke #1

During orientation in IMU, I heard loads of (lame) jokes.
Thus, I wanna share the 'lame-ness' of these jokes online, in case I forget them in the future.
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Q : There was once a cat who chased a rat. But, no matter how fast the cat ran, it could never catch up with the rat. Why?
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A : Because the rat was riding a motorbike. *Lol..told ya it is lame*

And the joke continues,

Q : The rat passed a road with bars on both sides of the street, and then entered a pub to get a drink. Why was the cat able to find the rat?

A : Because the cat saw the rat's motorbike parked outside.

Q : The next day, the rat had a hangover thus he decided to take the train to work.
On the next station, the cat entered the same cubicle as the rat!
BUT, why didn't the cat eat the rat?
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A : Because NO Eating is allowed on the train! *Funny, huh?*