Free GMAT Practice Question

A certain company's regional dispatch centre sends parcels out in shipments. For each of six months, the bars show the number of shipments the centre dispatched, in hundreds, measured against the left-hand axis, and the line shows the average (arithmetic mean) number of parcels in a shipment that month, measured against the right-hand axis.

On the basis of this information, select from each drop-down menu the option that creates the most accurate statement.

The centre dispatched the greatest number of parcels in --- Select ---FebruaryMarchMayJune. The number of parcels dispatched in May exceeded the number dispatched in April by about --- Select ---38%60%100%160%.