Inventions Who invented Jet Engine? Sir Frank Whittle Lewis E. Waterman Gottlieb Daimler Roger Bacon Sir Frank Whittle Lewis E. Waterman Gottlieb Daimler Roger Bacon ANSWER DOWNLOAD EXAMIANS APP
Inventions What Sir Isaac Newton invented? Spectacles Microscope Reflecting telescope Chronometer Spectacles Microscope Reflecting telescope Chronometer ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1970s 1980s 1950s 1960s 1970s 1980s 1950s 1960s ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1895 1840 1900 1874 1895 1840 1900 1874 ANSWER DOWNLOAD EXAMIANS APP
Inventions Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear? 1825 There is no sure date 1828 1831 1825 There is no sure date 1828 1831 ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1960s 1950s 1940s 1970s 1960s 1950s 1940s 1970s ANSWER DOWNLOAD EXAMIANS APP
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