Solutions
Get detailed explanations to advanced GMAT questions.
Question
A farmer who grows strawberries defines a “workday yield” as the number of litres of strawberries that a worker is required to pick in one day. Based on this definition, how many workers must the farmer hire to pick the entire expected crop of strawberries in 15 calendar days?
I. A workday yield is 45 litres
II. The expected crop is 13,500 litres
Option A:
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.
Option B:
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.
Option C:
BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient to answer the question asked.
Option D:
EACH statement ALONE is sufficient to answer the question asked.
Option E:
Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked, and additional data specific to the problem are needed.
Difficulty Level
EasySolution
Option C is the correct answer.
Option Analysis
Statement I is insufficient: A workday yield is 45 litres Insufficient: We don’t know the total volume of crop to be picked
Statement II is insufficient: The expected crop is 13,500 litres Insufficient: We don’t know the rate i.e. workday yield per worker.
Together I and II, Sufficient:
Number of workers = (total crop volume)/(yield per day * number of days) N=13500(45)∗(15)=20
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