In questions state whether the given statements are true (T) or false (F).
(A) The ratio 5 : 4 is different from the ratio 4 : 5.
(B) A ratio will always be more than 1.
(C) A ratio can be equal to 1.
(D) If b : a = c : d, then a, b, c , d are in proportion.
(E) The two terms of a ratio can be in two different units.