GMAT Test - Quant Notes Questions & Answers 2023/2024

GMAT Test - Quant Notes Questions & Answers 2023/2024 even*even - ANSWER-even anything times an even number is even even * odd - ANSWER-even anything times an even number is even odd*odd - ANSWER-odd If y>0 is x>0 ? 1)x+y>0 2)x/y > 0 - ANSWER-2) since Y is positive we know that x > y since Y is positive X is positive Train A and Train B began traveling towards each other from opposite ends of a 500-mile long track at 1:00 PM. If Train A traveled at 35 miles per hour and Train B traveled at 25 miles per hour, at what time did the trains meet? - ANSWER-Correct Answer: E To solve this problem, try combining the rates of the two trains. The combined rate of Train A and Train B is 35 + 25 = 60 miles per hour. Now, use the formula: Distance = Rate x Time to find how many hours until the trains will meet. 500 miles / 60 miles per hour = 813 hours. If the trains started at 1:00 pm, they will meet at 9:20 pm, which is 813 hours later. If x = 3y, where y is a prime number greater than 2, how many different positive even divisors does x have, including x? - ANSWER-zero odd*odd always odd