Daily GK Quiz Game 363

Test # 363 [29-Dec-2024]


1.
Who was the inventor of mechanical calculator for adding numbers?

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Fact
The symbols used on playing cards were supposed to represent the four classes of men: hearts represented the clergy; spades (from the Spanish word espada, or sword) represented the warriors; clubs were originally leaves and represented the peasants; and citizens and merchants were recognized in the diamonds.      .. More >>

Word of the Day


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Element
Element : ruthenium
Symbol : ru
Atomic no. : 44
Melting Point (deg c) : 2334
Boiling Point (deg c) : 4150
Discoverer : klaus (1844)      .. More >>
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