What word does this rebus represent?

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I’m tall when I’m young, and I’m short when I’m old. What am I?

A non-stop marathon is the shared favourite sport of three brothers.

*The oldest one is fat and short and trudges slowly on.
*The middle brother's tall and slim and keeps a steady pace.
*The youngest runs just like the wind, speeding through the race.

"He is young in years, we let him run!" the other two brothers explained, "'because though he is surely number one, he is second, in a way." Why is it?

You can see three almost identical images below. Can you spot the odd one out from them?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

How many times in a given day, minutes and hour clock comes in a straight line ?

Can you write down eight eights so that they add up to one thousand?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

Why is a river so rich ?

who is silent in the parliament?