Subject: Thread-safe API 15 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Thread-safe container 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Thread-safe messaging 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Thread scheduler 14 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Thread synchronization mechanism 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Thrift shoe shopper 13 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Hermaphrodite 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Christmas clearance shopping 28 general knowledge quiz questions. It should take around 6 minutes to complete all the questions.

Subject: Christmas extravaganza clearance 14 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Christmas bonanza markdowns 12 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Christmas closeout inventory sale 11 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Christmas Eve markdowns 8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.

Subject: Twelve Days of Christmas markdowns 26 general knowledge quiz questions. It should take around 6 minutes to complete all the questions.

Subject: Christmas clearance bonanza 13 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Christmas mega markdowns 35 general knowledge quiz questions. It should take around 7 minutes to complete all the questions.

Subject: Christmas extravaganza markdowns 13 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.