Find the next number in the series below

21 32 54 87 131 ?

One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?

Make a sentence consisting of three words that have the whole alphabet.

What four weights can be used to balance from 1 to 30 pounds?

A man comes across a coin that is dated 226 B.C. Can you calculate its worth?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Vin Diesel is pulling a theft and has planned to run away with all the cash kept in the safe. But the only way to open the safe is the 13 character password. He has a set of five clues given to him by a trustworthy source.

Exactly two of the below statements are false.
The password is contained within this sentence.
The password is not in this hint.
The password is within only one of these statements.
At least one of the above statements is a lie.

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?