Posts published by “dzyubam”

Math (DS) The bowl contains chips of red and green color and no chips of any other color. If two chips are drawn from the basket at random without replacement,…

Math (PS) If function satisfies for all , which of the following must be true? (A) (B) (C) (D) (E) OA and Explanation Verbal (CR) The cotton farms of Country…

Math (PS) How many odd three-digit integers greater than 800 are there such that all their digits are different? (A) 40 (B) 56 (C) 72 (D) 81 (E) 104 OA…

Math (PS) If equation encloses a certain region on the coordinate plane, what is the area of this region? (A) 20 (B) 50 (C) 100 (D) 200 (E) 400 OA…

Math (PS) Jack can complete the task in 8 hours. Tom can complete the task in 12 hours. If Jack works on the task alone for 4 hours and then…

Math (DS) grams of water were added to the 80 grams of a strong solution of acid. As a result, the concentration of acid in the solution became times of…

Math (DS) A rectangle is inscribed in a circle of radius 5. Is the area of the rectangle bigger than 48 ? 1. The ratio of the lengths of sides…

Math (PS) How many integers between 18 and 70 inclusive are divisible by either 7 or 9 but not both? (A) 11 (B) 12 (C) 13 (D) 14 (E) 15…

Math (PS) After M students took the test, there was a total of 64% of correct answers. If the test contains 50 questions, what is the least number of questions…