Data Sufficiency (DS) | Re: Each dinner at Restaurant X includes a pair of side dishes, which

Since there is no overlap between the two lists, and since we need to select one item from each of the two lists to make a pair of side dishes, we have:

number of pairs = number of items on list A × number of items on list B = a × b

We know that ab = 18 and a < b and need to answer the question:

b =?

Statement OneAlone:

=> There are a total of 9 side dishes on the two lists.

a + b = 9

From the question stem we know that a and b are integers greater than 1[because there must be more than 1 item on a list so that a customer has a choice]
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Statistics : Posted by JeffTargetTestPrep • on 10 Aug 2023, 05:00 • Replies 2 • Views 312

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