Posts published by “Jeff”

Math [b] x 2 1[/b] [b] 2 1 y[/b] [b] 1 z 2[/b] If in this table above , , and stand for numbers, what is the value of ?…

Math The sum is between A. 1.40 and 1.45 B. 1.45 and 1.50 C. 1.50 and 1.55 D. 1.55 and 1.60 E. 1.60 and 1.65   Question Discussion & Explanation…

Math If is a positive integer, is defined as the number of positive integers which are less than and do not have a common factor with other than 1. If…

Math   If , is ?   (1) (2) Question Discussion & Explanation Correct Answer - C - (click and drag your mouse to see the answer) Verbal   When hypnotized subjects are…

Math For any numbers and , . If , which of the following cannot be the value of ? A. -2 B. -1 C. 0 D. 1 E. 2  …

Math A regular pentagon is inscribed in a circle. If and are adjacent vertices of the pentagon and is the center of the circle, what is the value of ?…

Math If , , and are positive integers, is even?   (1) is odd (2) is odd   Question Discussion & Explanation Correct Answer - D - (click and drag your mouse to…

Math A committee of 3 has to be formed randomly from a group of 6 people. If Tom and Mary are in this group of 6, what is the probability…

Math   If 1 book was left when a pile of books was stacked in rows of 5, how many books are there in all? (1) When the books were…

Math Are all elements of set smaller than 40 ?   (1) The smallest element of is -1 (2) The range of is 41   Question Discussion & Explanation Correct…