GMAT Question of the Day (Jan 18): Work Problem and Sentence Correction

Math (PS)

It takes Jack 2 more hours than Tom to type 20 pages. Working together, Jack and Tom can type 25 pages in 3 hours. How long will it take Jack to type 40 pages?

(A) 5 hours
(B) 6 hours
(C) 8 hours
(D) 10 hours
(E) 12 hours

OA and Explanation

Verbal (SC)

On the Great Plains, nineteenth-century settlers used mud and grass to build their homes, doing it without timber and nails.

(A) settlers used mud and grass to build their homes, doing it without
(B) settlers used mud and grass to build their homes, did it without
(C) settlers used mud and grass to build their homes, making them while not having
(D) settlers used mud and grass to build their homes, making do without
(E) settlers’ homes were built of mud and grass, making do without

OA and Explanation

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