Inventions What Frank Whittle invented? Ethyl gasoline Radar Jet propulsion Sonar Ethyl gasoline Radar Jet propulsion Sonar ANSWER DOWNLOAD EXAMIANS APP
Inventions What toy was invented by Joshua Lionel Cowen around 1900? Electric train Tinkertoys Yo-yo Raggedy Ann doll Electric train Tinkertoys Yo-yo Raggedy Ann doll ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bifocal Lens? Rudolf Diesel Alfred B. Nobel Benjamin Franklin Thomas Alva Edison Rudolf Diesel Alfred B. Nobel Benjamin Franklin Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions When were blue jeans invented? 1860s 1870s 1900s 1850s 1860s 1870s 1900s 1850s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who among the following invented the small pox vaccine? Robert Koch Robert Hooke Edward Jenner Louis Pasteur Robert Koch Robert Hooke Edward Jenner Louis Pasteur ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Sofa bed Captain's chair Hammock Waterbed Sofa bed Captain's chair Hammock Waterbed ANSWER DOWNLOAD EXAMIANS APP
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