All will apply except for (A, C, and E) because those lengths are less than 4/6. So (B, D and F) are the correct answers.
I need a picture so i can help you out.
Answer:
52 units squared
Step-by-step explanation:

Volume of A= πR².H ==> V(A)=4π m³
Volume of V =πR².H ==>V(B)=8π m³
.Ratio of A to B =(4π) /(4π) = 1/2
According to my calculations it should be 52 pages