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08 Jan 2026, 22:39
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08 Jan 2026, 22:44
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| Data Sufficiency Butler: January 2025 | ||
| January 9 | DS 1 | DS 2 |
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DS 1
Last year, in Crossia, 25% of all babies were delivered in a private hospital, while 40% of all cesarean births occurred in a private hospital. Last year, in Crossia, what percentage of all births that took place in a private hospital were cesarean births?
(1) Last year, in Crossia, a total of 72,000 babies were delivered in a private hospital.
(2) Last year, in Crossia, 20% of all births were caesareans.
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DS 2
What is the average (arithmetic mean) mileage of 7 cars in a parking lot?
(1) If the 7 mileages were ordered from least to most, each would be 2.5 miles per gallon higher than the preceding car’s mileage.
(2) The range of the 7 mileages is 15 miles per gallon.
