The six items are all filled with equal amounts of air. What is likely to happen when similar amounts of air are pumped into each of the objects ?
(i) The two balloons will be bigger in size as more air gets in.
(ii) The air filled ball and tyre will also be bigger in size as more air gets in.
(iii) The gas cylinder and oxygen tank will not change their size but the air in them will be compressed.
(A) (ii) only
(B) (i) & (iii)
(C) (iii) only
(D) (i) & (ii).