Math (PS) A perfect number is defined as one for which the sum of all the unique factors less the number itself equals to the number. For instance, 6 is…
Posts published in “GMAT Question of the Day”
GMAT Question of the Day Posts
Math (DS) Is ? 1. 2. OA and Explanation Verbal (SC) Young female ballet dancers and gymnasts sometimes fail to maintain good eating habits caused by the desire to be…
Math (DS) Is integer odd? 1. is odd 2. is odd OA and Explanation Verbal (SC) As well as heat and light, the Sun is the source of a continuous…
Math (PS) A soccer coach riding his bike at 24 km/h reaches his office 5 minutes late. Had he traveled 25% faster, he would have reached the office 4 minutes…
Math (PS) What is the last digit of the following number ? (A) 6 (B) 5 (C) 2 (D) 1 (E) 0 OA and Explanation Verbal (CR) Dr. A: The…
Math (PS) 6 students in a group study different languages as specified: * Russian: 4 * Ukrainian: 3 * Hebrew: 2 Each student studies at least 1 language. If it…
Math (PS) How many five-digit numbers can be formed using the digits 0, 1, 2, 3, 4 and 5 which are divisible by 3, without repeating the digits? (A) 15…
Math (PS) One fisherman was telling his friends that he caught a fish that had a 60 foot long head. It also had a tail that was as long as…
Math (PS) Which set(s) has the greatest standard deviation? 1. Set 1 consisting of 10 digits 2. Set 2 consisting of 10 first positive consecutive even numbers 3. Set 3…
Math (DS) Are integers , , and consecutive? 1. equals the arithmetic mean of and 2. OA and Explanation Verbal (CR) The Earth’s rivers constantly carry dissolved salts into its…