Who invented Electrical Light Bulbs?
Thomas Edison
George Washington Carver
Johannes Gutenberg
John Logie Baird
Old name of Ethiopia is
Akmola
Abyssinia
Andorra
None Of These
Which is the oldest civilization in the world?
Indus Valley Civilization, Mehr Garh
Jahu
Mesopotamia
Ancient Egypt
What is Echo-Meter?
Instrument Used For Measuring Depth Of Water
Instrument Used For Measuring Depth Of Sound
Instrument Used For Measuring Waves Of Sound
Instrument Used For Measuring Echo Of Sound
What is the length of The Great China Wall?
5004 Km
6400 Km
7600 Km
8000 Km ## Page 11 1926-B