If +4 < 2a < 6 and 10 < 5b < 15 then which of the following statements are true?
I. 4 < a + b < 6
II. 0, b-a < 4
III. 4 < AB < 9
(A) I and II only
(B) II and III only
(C) I and III only
(D) All three
(E) None of them
A, B, C are points on the side PQ of parallelogram PQRS such that PA = AB = BC = CQ.
The ratio of Area of