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Math (PS) The train consists of 6 carriages, 20 meters long each. The gap between the carriages is 1 meter. If the train is moving at a constant speed of…
Posts published by “dzyubam”
March 2010 popularity index of Best GMAT Books as determined by GMAT Club members. (We measured how often our members referred to each of the books in their posts from…
Math (PS) Machine A can produce 50 components a day while machine B only 40. The monthly maintenance cost for machine A is $1500 while that for machine B is…
Math (DS) Set consists of odd integers divisible by 5. Is standard deviation of positive? 1. All members of are positive 2. consists of only one member OA and Explanation…
Math (PS) Which expression is the greatest? (A) (B) (C) (D) (E) OA and Explanation Verbal (CR) A sudden increase in the production of elephant ivory artifacts on the Mediterranean…
Math (PS) What is the number of integers from 1 to 1000 (inclusive) that are not divisible by 11 nor by 35? (A) 884 (B) 890 (C) 892 (D) 910…
Math (PS) If , , , and , what is the value of (A) 10 (B) 15 (C) 20 (D) 25 (E) 30 OA and Explanation Verbal (SC) According to…
Math (PS) If , where and are integers and , what is the value of ? (A) 0 (B) 1 (C) 2 (D) 3 (E) 4 OA and Explanation Verbal…
Math (PS) 4% of population of country L has military experience and supports a war against Country G. If 20% of those who support the war have no military experience…
Math (PS) There are 6 cards numbered from 1 to 6. They are placed into a box, and then one is drawn and put back and then another card is…