QUESTION: answer this: when were the first castles built in europe??

ANS: 9thand 10thcenturies

QUESTION: answer this: who is the musical superstar that helped justin bieber get started??

ANS: Usher

QUESTION: answer this: when did the air max 90 come out??

ANS: 1990

QUESTION: answer this: who has the highest number of double centuries??

ANS:
Donald Bradman