question_answer

Direction: A goldsmith has five gold rings, each having different weight.

Statement - I Ring A is weighing twice as much as ring B.

Statement - II Ring B is weighing four times as much as ring C.

Statement - III Ring C is weighing half, as much as ring D.

Statement - IV Ring D is weighing one third as much as ring E.

Which of the pairs of rings have ratio 1 : 2 in respect of their weights?            

A)              A and E

B)              B and C

C)              C and D

D)              C and D as well as D and B