Kizspy | Question: 44 (Choose 1 answer)
There are 4 coins among which there is a conterfeit coin that is either heavier or lighter than the others. With a balance scale, how many weighings are needed to determine the conterfeit coin? (No need to determine the weight of the conterfeit coin).
A. None of the other choices is correct
B. 2
C. 1
D. 3
Ε. 4
