Why is it very easy to weigh a fish?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

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

What does this say?

XLR8

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?