GMAT Question of the Day (Aug 5): Arithmetic and Sentence Correction

Math (DS)

If $m$ is a positive integer, is $\sqrt{m} > 25$ ?

1. $m$ is divisible by 50
2. $m$ is divisible by 52

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Verbal (SC)

By installing special electric pumps, farmers’ houses could be heated by the warmth from cows’ milk, according to one agricultural engineer.

(A) farmers’ houses could be heated by the warmth from cows’ milk, according to one agricultural engineer
(B) the warmth from cows’ milk could be used by farmers to heat their houses, according to one agricultural engineer
(C) one agricultural engineer reports that farmers could use the warmth from cows’ milk to heat their houses
(D) farmers, according to one agricultural engineer, could use the warmth from cows’ milk to heat their houses
(E) one agricultural engineer reports that farmers’ houses could be heated by the warmth from cows’ milk

Answers to the questions: C, D
For explanations please see these threads: math and verbal

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GMAT Question of the Day (Aug 5): Arithmetic and Sentence Correction

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