# What number of Valentines are traded?.

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What number of Valentines are traded?
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Slide 1

What number of Valentines are traded? On Valentines Day, there is a custom of trading a âValentines Greetingâ with somebody. Assume you needed to trade Valentines with every individual in the room. On the off chance that every one of the understudies in the class traded Valentines with one another just once, what number of aggregate Valentines would be traded?

Slide 2

Texas Howdy At Texas A&M, individuals are welcomed with a comforting grin, a neighborly handshake, and a âHowdy!â If every one of the understudies in class shook hands with one another just once, what number of handshakes would there be?

Slide 3

Which ball is heavier? Eight balls all carbon copy. One of them is heavier than the other seven, all of which measure the same. Decide how you discover the heavier ball if you can utilize a parity scale two times.

Slide 4

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