If x is a positive number and 1/2 the square root of x is the cube root of x, then x =  Pick one.
A) 64
B) 32
C) 16
D) 4
E) 1

Rationale: 1 / 2 the square root of x is cube root of x . if x = 64 . . then 1 / 2 the square root of x = 4 and cube of x is 64 . option a .
Answer: A