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Goraksha Dadhich shared post from Topline Coaching
06 Apr 2020 04:34 PM study24x7 study24x7

Topline Coaching
06 Apr 2020 04:05 PM study24x7 study24x7

Q. What was invented by Zacharias Jansen?

A

Jet Engine

B

Radium

C

Microscope

D

Electric Lamp

SSC Banking Railways
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