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 GMAT…
Posts published in “Problem Solving”
Helpful articles and questions asked in Problem Solving section of GMAT Quant
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 (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…
One of the most common areas of frustration for my GMAT students is rate problems. This seems a general extension of the challenges that word problems overall pose to students,…
Math (PS) If 10 dollars are equivalent to 24 francs and 12 pounds are equivalent to 36 francs, what is the pound equivalent of 95 dollars? (A) 58 (B) 64…
Math (PS) If a certain soccer game ended 3:2, what is the probability that the side that lost scored first? (Assume that all scoring scenarios are equiprobable) (A) (B) (C)…
Math (PS) If curves and enclose a sector on the top part of XY-plane, what is the area of this sector? (A) (B) (C) (D) (E) OA and Explanation GMAT…
Math (PS) The box contains 10 tablets of medicine A and 15 tablets of medicine B. tablets are taken from the box at random. What is the least possible that…
Math (PS) If the power of an engine grows by 10% when the number of its cylinders is increased by one, which of the following is closest to the ratio…