# GMAT Question of the Day (Jan 5): Work Problem and Sentence Correction

- Jan 5, 02:00 AM Comments [0]

Math (PS)

Three secretaries working together can type 36 pages of text in half an hour. If the typing speeds of the secretaries are in a 4:3:2 ratio, how long will it take the slowest-typing secretary working alone to type 52 pages of text?

(A) 1 hour and 34 minutes
(B) 1 hour and 45 minutes
(C) 2 hours and 24 minutes
(D) 3 hours and 15 minutes
(E) 3 hours and 25 minutes

OA and Explanation

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Verbal (SC)

Eighty percent of notebook computers that were sold in United States last year were manufactured in China, a country that has the largest population in the world.

(A) Eighty percent of notebook computers that were sold in United States last year were
(B) Eighty percent of notebook computers that were sold in United States last year had been
(C) Eighty percent of notebook computers that were sold in United States last year have been
(D) Last year eighty percent of notebook computers were sold in United States that have been
(E) Last year eighty percent of notebook computers that were sold in United States had been

OA and Explanation