Subject: Always-on 14 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Invention notes 57 general knowledge quiz questions. It should take around 12 minutes to complete all the questions.

Subject: Lapel mic 26 general knowledge quiz questions. It should take around 6 minutes to complete all the questions.

Subject: Travel noise-cancelling headphones 15 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Zero-carbon shipping 38 general knowledge quiz questions. It should take around 8 minutes to complete all the questions.

Subject: Non-polluting vehicles 36 general knowledge quiz questions. It should take around 8 minutes to complete all the questions.

Subject: POD device 15 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Gas-efficient cars 38 general knowledge quiz questions. It should take around 8 minutes to complete all the questions.

Subject: Bose 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Socket Mobile 34 general knowledge quiz questions. It should take around 7 minutes to complete all the questions.

Subject: Handheld voice recorder scanner 12 general knowledge quiz questions. It should take around 3 minutes to complete all the questions.

Subject: Industry game-changers 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Mobile wish list 18 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Asus Zenfone 16 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Meizu 16 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.

Subject: Waterproof speaker 19 general knowledge quiz questions. It should take around 4 minutes to complete all the questions.