Another answer and more precise one

(Any multiple of LCM of 2 to 10)-1

Example-

LCM of (2,3,4,5,6,7,8,9,10) = 2520
Solution–
(Any multiple of LCM of 2 to 10)-1
= 2520 – 1  = 2519

(Any multiple of 10!)-1

19

5

killing myself

ANY SPEED METRO ARE IN ROTATION

89 (ASCII CODE OF Y)

Q W E R T Y
81 87 69 82 84
I COPIED THIS ANSWER AS THIS PUZZLE IS TIME WASTE AS IT REQUIRE KNOWLEDGE WHICH WAS NOT NORMAL FOR EVERY BODY TO HAVE LINK
I GOOGLED IT AFTER SPENDING HOUR .DONT WASTE TIME IT IS NOT FOR ANY ONE LIKE US

HE SPREAD SALTY WATER ON GLASS AND ELECTRIFIED IT BUT SHARKS GOT KILLED SO HE GOT FIRED .
2 HE PUT SHARK FOOD ON INEER WALL OF TANK PEOPLE GOT SCARED WITH SHARKS TEETH

2
Number of circles
Example – 8 have 2 circle, 6 have 1, 7 have 0 circle and so on……………….

18
SPOILER ALERT

They experienced 23 cleart parts since both parts of day cannot be unclear so 13 were in days when snowfall happen and 10 were in days when no snowfall happened since in days when no snowfall happened both were clear so 10/2 will give number of other days so 18
Genius is back xd