{"id":27099,"date":"2015-01-15T02:00:59","date_gmt":"2015-01-15T09:00:59","guid":{"rendered":"https:\/\/gmatclub.com\/blog\/?p=27099"},"modified":"2015-01-09T13:07:08","modified_gmt":"2015-01-09T20:07:08","slug":"gmat-question-of-the-day-jan-15","status":"publish","type":"post","link":"https:\/\/gmatclub.com\/blog\/gmat-question-of-the-day-jan-15\/","title":{"rendered":"GMAT Question of the Day (Jan 15)"},"content":{"rendered":"<p><strong>Math<\/strong><\/p>\n<p>The equation <img decoding=\"async\" src=\"https:\/\/gmatclub.com\/cgi-bin\/mimetex.cgi?x%5E2%20%2B%20ax%20-%20b%20%3D%200\" alt=\"x^2 + ax - b = 0\" class=\"latex\"> has equal roots, and one of the roots of the equation <img decoding=\"async\" src=\"https:\/\/gmatclub.com\/cgi-bin\/mimetex.cgi?x%5E2%20%2B%20ax%20%2B%2015%20%3D%200\" alt=\"x^2 + ax + 15 = 0\" class=\"latex\"> is 3. What is the value of b?<\/p>\n<p>A. <img decoding=\"async\" src=\"https:\/\/gmatclub.com\/cgi-bin\/mimetex.cgi?-%5Cfrac%7B1%7D%7B64%7D\" alt=\"-\\frac{1}{64}\" class=\"latex\"><br \/>\nB. <img decoding=\"async\" src=\"https:\/\/gmatclub.com\/cgi-bin\/mimetex.cgi?-%5Cfrac%7B1%7D%7B16%7D\" alt=\"-\\frac{1}{16}\" class=\"latex\"><br \/>\nC. <img decoding=\"async\" src=\"https:\/\/gmatclub.com\/cgi-bin\/mimetex.cgi?-15\" alt=\"-15\" class=\"latex\"><br \/>\nD. <img decoding=\"async\" src=\"https:\/\/gmatclub.com\/cgi-bin\/mimetex.cgi?-16\" alt=\"-16\" class=\"latex\"><br \/>\nE. <img decoding=\"async\" src=\"https:\/\/gmatclub.com\/cgi-bin\/mimetex.cgi?-64\" alt=\"-64\" class=\"latex\"><\/p>\n<div>\n<a href=\"https:\/\/gmatclub.com\/forum\/d01-183502.html\">Question Discussion &amp; Explanation<\/a><br \/>\n<strong>Correct Answer<\/strong> <span style=\"background-color:#fff;color:#fff\">- D -<\/span> (click and drag your mouse to see the answer)\n<\/div>\n<p><\/p>\n<div style=\"background-color: rgb(141, 179, 226); border-top: 4px solid rgb(0, 0, 0); border-bottom: 4px solid rgb(0, 0, 0); padding: 5px; margin-left: 20px; font-size: 15px; font-family: Gergia,serif; font-weight: bold\">\n<div style=\"font-size: 19px; color: rgb(255, 255, 255); margin-bottom: 10px; padding-left: 10px\">GMAT Daily Deals<\/div>\n<ul>\n<li style=\"padding: 0pt 0pt 10px 20px; color: rgb(255, 255, 255); list-style-type: disc\">Veritas Prep has worked  with over 50K students at over 90 locations worldwide.  Save  $350 at GMAT Club. <a href=\"https:\/\/gmatclub.com\/blog\/courses\/veritas-prep-discount\/?fl=twitter\" style=\"color: rgb(0, 0, 255);\"> <u>Details!<\/u><\/a><\/li>\n<li style=\"padding: 0pt 0pt 10px 20px; color: rgb(255, 255, 255); list-style-type: disc\">MBA Prep School: Essay & Resume Editing, Mock Interview & Regular Admit Consult. Full service, full savings.<a href=\"https:\/\/gmatclub.com\/blog\/courses\/mba-prep-school-discounts\/?fl=twitter\" style=\"color: rgb(0, 0, 255);\"> <u>Use the GMAT Club code and save up to $500!<\/u><\/a><\/li>\n<li style=\"padding: 0pt 0pt 0px 20px; color: rgb(255, 255, 255); list-style-type: disc\">MBA Admit Consulting: Save with 2-For-1 Gold Package Application Special. Only at GMAT Club.<a href=\"https:\/\/gmatclub.com\/blog\/courses\/mbaadmit-special-discount-through-gmat-club\/?fl=twitter\" style=\"color: rgb(0, 0, 255);\"> <u>Learn more!<\/u><\/a><\/li>\n<\/ul>\n<\/div>\n<p><\/p>\n<p><strong>Verbal <\/strong><\/p>\n<p>Psychologist: Though popularized by the media and even some ill-informed scientists, photographic memory is a myth. Most of the top competitors at this summer\u2019s national memory championship have brains that are neurologically indistinguishable from those of the general population and cognitive abilities that are seldom more than a standard deviation above average.<\/p>\n<p>Which of the following would LEAST strengthen the argument above?<\/p>\n<p>The competitors at this summer\u2019s championship are typical of the segment of the population thought to have photographic memory.<\/p>\n<p>People with photographic memories would have brains that are neurologically distinguishable from those of the general population.<\/p>\n<p>Photographic memory requires cognitive abilities more than a standard deviation above average.<\/p>\n<p>Photographic memory was initially proposed by a scientist whose theories of mind have since been widely discredited.<\/p>\n<p>Photographic memory, if it exists, would be a requirement even to qualify for a national memory competition.<\/p>\n<div>\n<a href=\"https:\/\/gmatclub.com\/forum\/psychologist-though-popularized-by-the-media-and-even-some-146659.html\">Question Discussion &amp; Explanation<\/a><br \/>\n<strong>Correct Answer<\/strong> <span style=\"background-color:#fff;color:#fff\">- D -<\/span> (click and drag your mouse to see the answer)\n<\/div>\n<p><\/p>\n<p><strong>Like these questions?<\/strong> Get the GMAT Club question collection: <a href=\"https:\/\/gmatclub.com\/tests\/\">online at GMAT Club<\/a> OR <a href=\"https:\/\/www.amazon.com\/gp\/redirect.html?ie=UTF8&location=http%3A%2F%2Fwww.amazon.com%2Fgp%2Fentity%2FGMAT-Club%2FB0048PPF3U%3Fie%3DUTF8%26ref_%3Dntt_athr_dp_pel_1&tag=gmatclub-20&linkCode=ur2&camp=1789&creative=390957\">on your Kindle<\/a> OR <a href=\"https:\/\/click.linksynergy.com\/fs-bin\/stat?id=PJTlq5NYqfE&offerid=146261&type=3&subid=blog&tmpid=1826&RD_PARM1=http%253A%252F%252Fitunes.apple.com%252Fus%252Fapp%252Fgmat-toolkit%252Fid328345537%253Fmt%253D8%2526uo%253D6%2526partnerId%253D30\">on your iPhone\/iPad<\/a><\/p>\n<p><a href=\"https:\/\/gmatclub.com\/blog\/category\/blog\/gmat-tests\/\"><strong>Browse all GMAT Questions of the Day<\/strong><\/a><\/p>\n<p><strong>Subscribe to GMAT Question of the Day:<\/strong> <a href=\"https:\/\/feedburner.google.com\/fb\/a\/mailverify?uri=GMAT-Question-of-the-day&amp;loc=en_US\">E-mail<\/a> | <a href=\"https:\/\/feeds.feedburner.com\/GMAT-Question-of-the-day\">RSS<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Math The equation has equal roots, and one of the roots of the equation is 3. What is the value of b? A. B. C. D. E. Question Discussion &amp;&#8230;<\/p>\n","protected":false},"author":146,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[152,9],"tags":[],"class_list":["post-27099","post","type-post","status-publish","format-standard","hentry","category-gmat-tests","category-gmat","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/posts\/27099","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/users\/146"}],"replies":[{"embeddable":true,"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/comments?post=27099"}],"version-history":[{"count":2,"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/posts\/27099\/revisions"}],"predecessor-version":[{"id":27101,"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/posts\/27099\/revisions\/27101"}],"wp:attachment":[{"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/media?parent=27099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/categories?post=27099"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/tags?post=27099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}