mediumFPSCNTSCSSPPSCCurrent Affairs
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World Inventor’s Day is celebrated on _____________?

A9th November
B8th April
C31st April
D23rd April

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Correct Answer: A: 9th November

Explanation: The correct answer is A: 9th November. World Inventor's Day is celebrated on 9 November each year, chosen to coincide with the birthday of Hedy Lamarr, an Austrian-American actress and inventor who co-developed an early frequency-hopping spread spectrum communication system.

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