{"id":13123,"date":"2012-07-24T02:00:53","date_gmt":"2012-07-24T09:00:53","guid":{"rendered":"https:\/\/gmatclub.com\/blog\/?p=13123"},"modified":"2012-07-20T12:51:50","modified_gmt":"2012-07-20T19:51:50","slug":"gmat-question-of-the-day-july-24-mixture-problem-and-critical-reasoning","status":"publish","type":"post","link":"https:\/\/gmatclub.com\/blog\/gmat-question-of-the-day-july-24-mixture-problem-and-critical-reasoning\/","title":{"rendered":"GMAT Question of the Day (July 24): Mixture Problem and Critical Reasoning"},"content":{"rendered":"<p><strong>Math (PS)<\/strong><\/p>\n<p>There are two bars of gold-silver alloy; one piece has 2 parts of gold to 3 parts of silver, and the other has 3 parts of gold to 7 parts of silver. If both bars are melted into a 8-kg bar with the final ratio of 5:11 (gold to silver), what was the weight of the first bar?<\/p>\n<p>(A) 1 kg<br \/>\n(B) 3 kg<br \/>\n(C) 5 kg<br \/>\n(D) 6 kg<br \/>\n(E) 7 kg<\/p>\n<div>\n<a href=\"https:\/\/gmatclub.com\/forum\/m03-q30-74806.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\">Manhattan GMAT: The best teachers, most advanced learning approach & a focus solely placed on the GMAT. <a href=\"https:\/\/gmatclub.com\/blog\/courses\/manhattan-gmat-discount-promotion-code\/\" style=\"color: rgb(0, 0, 255);\"><u>Save $350.<\/u><\/a><\/li>\n<li style=\"padding: 0pt 0pt 10px 20px; color: rgb(255, 255, 255); list-style-type: disc\">MBA PrepTools by MBA PrepSchool: Tools & exercises to help you get accepted to top b-schools. <a href=\"https:\/\/gmatclub.com\/blog\/courses\/mba-prep-school-discounts\/\" style=\"color: rgb(0, 0, 255);\"><u>Save using GMAT code.<\/u><\/a><\/li>\n<li style=\"padding: 0pt 0pt 0px 20px; color: rgb(255, 255, 255); list-style-type: disc\">Exclusive GMAT Club savings for The Princeton Review. Save $350 on GMAT Courses. <a href=\"https:\/\/gmatclub.com\/blog\/courses\/princeton-review-gmat-discount-promotion-code\/\" style=\"color: rgb(0, 0, 255);\"><u>Only for a limited time! <\/u><\/a><\/li>\n<\/ul>\n<\/div>\n<p><\/p>\n<p><strong>Verbal (CR)<\/strong><\/p>\n<p>In a monogamous culture, 100% of the adults are married. The average number of children per family is five and over-population is a threat. Programs to encourage birth-control have been ineffective. It has been suggested that this failure is due to these programs ignoring a tradition that values male children very highly, so that every parent wants to have at least one son. It is proposed that couples be encouraged to use birth-control measures after the birth of their first son. <\/p>\n<p>If this proposal is widely accepted in the culture, we may expect that:<\/p>\n<p>(A) the rate of population increase will be slowed, and future generations will contain a disproportionately high number of females.<br \/>\n(B) the rate of population increase will be slowed, and the gender balance in future generations will remain as it is at present.<br \/>\n(C) the rate of population growth will remain the same, and future generations will contain a disproportionately high number of females.<br \/>\n(D) there will be no significant effect either on population growth or on gender balance.<br \/>\n(E) the population will decline precipitously, because approximately half of all families will have only a single child.<\/p>\n<div>\n<a href=\"https:\/\/gmatclub.com\/forum\/cr-monogamous-culture-source-66058.html\">Question Discussion &amp; Explanation<\/a><br \/>\n<strong>Correct Answer<\/strong> <span style=\"background-color:#fff;color:#fff\">- B -<\/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) There are two bars of gold-silver alloy; one piece has 2 parts of gold to 3 parts of silver, and the other has 3 parts of gold to&#8230;<\/p>\n","protected":false},"author":138,"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-13123","post","type-post","status-publish","format-standard","hentry","category-gmat-tests","category-gmat","category-critical-reasoning-gmat","category-problem-solving-gmat","entry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Math (PS) There are two bars of gold-silver alloy; one piece has 2 parts of gold to 3 parts of silver, and the other has 3 parts of gold to 7 parts of silver. 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