What does this rebus puzzle means ?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

No matter how little or how much you use me, you change me every month. What am I?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

John was piloting a plane behind a car but was never able to overtake it. Why?

What have one eye but still cannot see?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Why do we preferably have round manhole covers and not square ones?

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
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T O W E L
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A fresh card pile is taken out of a box (the pile has 54 cards including 2 jokers). One joker is taken out and then the cards are shuffled for a good amount of times. After shuffling, two piles are made by dividing that one pile.



What is the possibility that one of the piles will have a card sequence from A to K in order?