Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Who invented the BALLPOINT PEN?
Biro Brothers
Waterman Brothers
Bicc Brothers
Write Brothers
In which decade was the first solid state integrated circuit demonstrated?
1950s
1960s
1970s
1980s
What J. B. Dunlop invented?
Pneumatic rubber tire
Automobile wheel rim
Rubber boot
Model airplanes
Which scientist discovered the radioactive element radium?
Isaac Newton
Albert Einstein
Benjamin Franklin
Marie Curie
When was barb wire patented?
1874
1840
1895
1900
