Which of the following pair of element has incorrect order of atomic radii ?

Which of the following pair of elements have same radii?

Which of the following pairs of elements have alomost similar atomic radii ?

Which of the following pairs of elements have alomost similar atomic radii ?

Which of the following pairs of elements have almost similar atomic radii ?

Which of the following represents the incorrect order of ionic radii ?

Because of lanthnoid contractoin, which of the following pairs of elements have nearly same atomic radii ? (Number in the parentrhesis are atomic numbers)

Because of lanthnoid contraction, which of the following pairs of elements have nearly same atomic radii ? (Number in the parenthesis are atomic numbers)