Why Wine Glass Stem is so long?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

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?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

How many times can you subtract the number two from the number fifty?

Can you solve the below geography rebus by decoding the below rebus ?

I don't get anymore wetter, no matter how much rain falls on me.

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

Can you spot the man between the coffee bean in the picture below ?

Which is faster, Heat or Cold ? Explain.