Answer:
2/3
Step-by-step explanation:
Convert the fractions to decimals.
2/3 = 0.666
4/5 = 0.8
14/18 = 0.777
34/50 = 0.68
From the decimals, 0.666 is the only option which falls between 0.5 and 0.75.
For this case we have that by definition, the volume of a cylinder is given by:

Where:
r: It is the radius of the cylinder
h: It is the height of the cylinder
We have as data, observing the figure, that they give us the radio. Then, the height is missing.
Answer:
Option B
50 is tens and 150 is hundreds