{"id":22915,"date":"2014-02-20T02:00:51","date_gmt":"2014-02-20T09:00:51","guid":{"rendered":"https:\/\/gmatclub.com\/blog\/?p=22915"},"modified":"2014-02-17T08:55:20","modified_gmt":"2014-02-17T15:55:20","slug":"gmat-question-of-the-day-february-20-algebra-and-critical-reasoning","status":"publish","type":"post","link":"https:\/\/gmatclub.com\/blog\/gmat-question-of-the-day-february-20-algebra-and-critical-reasoning\/","title":{"rendered":"GMAT Question of the Day (February 20): Algebra and Critical Reasoning"},"content":{"rendered":"<p><strong>Math (PS)<\/strong><\/p>\n<p>How many real roots does this equation have?<\/p>\n<p><img src='https:\/\/s0.wp.com\/latex.php?latex=%5Csqrt%7B%28x%5E2%2B1%29%7D+%2B+%5Csqrt%7B%28x%5E2%2B2%29%7D+%3D+2&#038;bg=ffffff&#038;fg=000000&#038;s=0' alt='\\sqrt{(x^2+1)} + \\sqrt{(x^2+2)} = 2' title='\\sqrt{(x^2+1)} + \\sqrt{(x^2+2)} = 2' class='latex' \/><\/p>\n<p>(A) 0<br \/>\n(B) 1<br \/>\n(C) 2<br \/>\n(D) 3<br \/>\n(E) 4<\/p>\n<div>\n<a href=\"https:\/\/gmatclub.com\/forum\/m12-q17-68647.html\">Question Discussion &amp; Explanation<\/a><br \/>\n<strong>Correct Answer<\/strong> <span style=\"background-color:#fff;color:#fff\">- A -<\/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.  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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 (CR)<\/strong><\/p>\n<p>Which of the following most logically completes the argument?<\/p>\n<p>The irradiation of food kills bacteria and thus retards spoilage. However, it also lowers the nutritional value of many foods. For example, irradiation destroys a significant percentage of whatever vitamin B1 a food may contain. Proponents of irradiation point out that irradiation is no worse in this respect than cooking. However, this fact is either beside the point, since much irradiated food is eaten raw, or else misleading, since _______.<\/p>\n<p>(A) many of the proponents of irradiation are food distributors who gain from food\u2019s having a longer shelf life<br \/>\n(B) it is clear that killing bacteria that may be present on food is not the only effect that irradiation has<br \/>\n(C) cooking is usually the final step in preparing food for consumption, whereas irradiation serves to ensure a longer shelf life for perishable foods<br \/>\n(D) certain kinds of cooking are, in fact, even more destructive of vitamin B1 than carefully controlled irradiation is<br \/>\n(E) for food that is both irradiated and cooked, the reduction of vitamin B1 associated with either process individually is compounded<\/p>\n<div>\n<a href=\"https:\/\/gmatclub.com\/forum\/which-of-the-following-most-logically-completes-the-75787.html\">Question Discussion &amp; Explanation<\/a><br \/>\n<strong>Correct Answer<\/strong> <span style=\"background-color:#fff;color:#fff\">- E -<\/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 (PS) How many real roots does this equation have? (A) 0 (B) 1 (C) 2 (D) 3 (E) 4 Question Discussion &amp; Explanation Correct Answer &#8211; A &#8211; (click&#8230;<\/p>\n","protected":false},"author":146,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[152,9,721,717],"tags":[],"class_list":["post-22915","post","type-post","status-publish","format-standard","hentry","category-gmat-tests","category-gmat","category-critical-reasoning-gmat","category-problem-solving-gmat","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/posts\/22915","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=22915"}],"version-history":[{"count":2,"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/posts\/22915\/revisions"}],"predecessor-version":[{"id":22917,"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/posts\/22915\/revisions\/22917"}],"wp:attachment":[{"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/media?parent=22915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/categories?post=22915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gmatclub.com\/blog\/wp-json\/wp\/v2\/tags?post=22915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}