There are two bus routes that go through the chapel and the cemetery. For each route, the bus company may use one of two types of buses, a standard bus or a duplex bus. How many passengers total can travel in the duplex bus?
(1) When both buses are used for the routes, as many as 90 passengers can travel from the chapel to the cemetery.
(2) On Saturday, the busiest day of the week, two duplex buses are used for each of the routes and as many as 120 passengers can travel from the chapel to the cemetery.

Question

Examsnet · Accepted Answer

Correct Answer is :  Statements (1) and (2) TAKEN TOGETHER are sufficient to answer the question, even though NEITHER statement BY ITSELF is sufficient.

GMAT Quantitative Reasoning Practice Test 8