what does this below rebus represent identXQQQQQME

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Whats the next number in the below number sequence pattern.

There is a basket full of hats. Three are white and two are black. Three men, Tom, Tim, and Jim, each take a hat out of the basket and put it on their heads without seeing the hat they selected or the hats the other men selected. The men arrange themselves so Tom can see Tim and Jim’s hats, Tim can see Jim’s hat, and Jim can’t see anyone’s hat. Tom is asked what color his hat is and he says he doesn’t know. Tim is asked the same question, and he also doesn’t know. Finally, Jim is asked the question, and he does know. What colour is his hat?

How far can you walk into the woods?

Why 1729 is a magic number? Answer Logically.

What does below chemistry rebus means?

What goes through cities and fields, but never moves?

Which is faster, Heat or Cold ? Explain.