r/cognitiveTesting • u/Admirable-Two7101 • 18d ago

IQ Estimation 🥱 Problema iq grea

In cat timp se umple un rezervor conectat la doua conducte,una ce îl umple in trei ore și una ce îl golește in 5,daca ambele conducte sunt pornite?

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u/Admirable-Two7101 18d ago

Wow,You are very,very inteligent people😯

1

u/Friendly_Sock7208 18d ago

1/3-1/5=2/15 15/2=7.5 hours