Posts published by “Jeff”

Math If the average of four distinct positive integers is 60, how many integers of these four are less than 50? (1) The median of the three largest integers is…

Math Comet A is seen near the Earth every 12 years while Comet B every 20 years. If both comets were observed in 1979, for how many years do we…

Math If and are positive integer and is divisible by 4, which of the following must be true? A. If is even then is odd. B. If is odd then…

Math If the diameter of each of the car's wheels is 20 inches, what was the approximate average speed of the car in km/h if after the two-hour journey each…

Math If is an odd integer, which of the following numbers must be even? A. B. C. where is a prime number D. E.   Question Discussion & Explanation Correct…

Math Is the mean of set greater than its median? (1) Set consist of consecutive multiples of 3 (2) The sum of all terms of set is 75   Question…

Math In a triangle ABC points M, N, and O are midpoints of sides AB, BC, and AC respectively. What is the area of triangle MON? (1) The area of…

Math Mary and Joe are to throw three dice each. The score is the sum of points on all three dice. If Mary scores 10 in her attempt what is…

Math If Richard is 3 years younger than his sister, how old will Richard be in 5 years? (1) Two years ago, Richard's sister was twice as old as Richard.…

Math What is the hundreds digit of ? A. 0 B. 1 C. 2 D. 5 E. 8   Question Discussion & Explanation Correct Answer - A - (click and drag…