11. Which of the following was first patented by an Australian in 1889?
(a) Electric Drill
(b) Electric Shaver
(c) Electric Fence
(d) Electric Heater
12. For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what?
(a) Notepad
(b) Calendar
(c) Notice Board
(d) Telephone Book
13. When were blue jeans invented?
(a) 1900s
(b) 1860s
(c) 1870s
(d) 1850s
14. When was the toothbrush invented?
(a) 1770
(b) 1765
(c) 1790
(d) 1742
15. Who invented the phonograph?
(a) Thomas Edison
(b) John Kruesi
(c) Jules Levy
(d) Alexander Graham Bell
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