QUES: Cast off Sleeve Sleeve colour ways are worked opposite to body

correct the punctuation.

CORRECTED: Cast off. Sleeve: Sleeve colour ways are worked opposite to body.

QUES: He added a whopping 150000 Gold Coins to his treasure chest for his first place finish

correct the punctuation.

CORRECTED: He added a whopping 150,000 Gold Coins to his treasure chest for his first place finish.

QUES: A company in Denmark knows the Danish customers preferences while a business partner in southern Europe wants his products to meet the demands of his own market

correct the punctuation.

CORRECTED:
A company in Denmark knows the Danish customers' preferences, while a business partner in southern Europe wants his products to meet the demands of his own market.