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Data Sufficiency & Multi-Source Reasoning question bank (GMAT Data Insights & Integrated Reasoning)

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Q1.
[IELTS / TOEFL Academic English - Item #1] Identify the cohesive sentence that accurately signals a contrast while maintaining formal register.

(A)
Even though preliminary trials suggested minimal efficacy; however, subsequent studies were positive.
(B)
Preliminary epidemiological trials showed little, but anyway big trials showed it worked well.
(C)
While preliminary epidemiological trials suggested minimal efficacy, subsequent large-scale longitudinal investigations conclusively demonstrated therapeutic benefit.
(D)
Because preliminary trials were poor, therefore later trials had to be completely different.
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Q2.
[GRE Quantitative Reasoning - Item #3] If the average (arithmetic mean) of 5 consecutive odd integers is 35, what is the product of the smallest and largest integers in the set?

(A)
1,155
(B)
1,197
(C)
1,209
(D)
1,225
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