Which is the rope you never skip with?

What does below chemistry rebus means?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

You have two jars of chocolates labelled as P and Q. If you move one chocolate from P to Q, the number of chocolates on B will become twice the number of chocolates in A. If you move one chocolate from Q to P, the number of chocolates in both the jars will become equal.

Can you find out how many chocolates are there in P and Q respectively?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Why 1729 is a magic number? Answer Logically.

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?