{"id":8054,"date":"2022-11-15T10:45:04","date_gmt":"2022-11-15T05:15:04","guid":{"rendered":"http:\/\/conceptsdk.com\/?page_id=8054"},"modified":"2022-11-15T12:03:35","modified_gmt":"2022-11-15T06:33:35","slug":"chapter-2-linear-equations-in-one-variable","status":"publish","type":"page","link":"https:\/\/conceptsdk.com\/?page_id=8054","title":{"rendered":"Chapter 2- Linear Equations in One Variable MCQ Based Questions"},"content":{"rendered":"\n<p class=\"has-text-align-center has-white-color has-kids-red-background-color has-text-color has-background wp-block-paragraph\" style=\"font-size:20px\"><strong>For Olympiads I RMS I Sainik School<\/strong><\/p>\n\n\n\n<ol type=\"1\" class=\"has-black-color has-text-color has-background wp-block-list\" style=\"background:linear-gradient(135deg,rgb(202,248,128) 0%,rgb(255,255,255) 41%,rgb(113,206,126) 83%)\"><li>The standard form of a linear equation in one variable x is<br><strong>(a) ax + b = 0<\/strong><br>(b) ax\u00b2 + bx + c = 0<br>(c) ax\u00b3 + bx\u00b2 + cx + d = 0<br>(d) ax<sup>4<\/sup>&nbsp;+ bx\u00b3 + cx\u00b2 + dx + e = 0.<\/li><li>One number is greater than the other number by 3. The sum of two numbers is 23. The two numbers are<br><strong>(a) 13, 10<\/strong><br>(b) 14, 9<br>(c) 12, 11<br>(d) 15, 8.<\/li><li>Twice a number is as much greater than 30 as the three times of the number less than 60. The number is<br>(a) 6<br>(b) 9<br>(c) 12<br><strong>(d) 18.<\/strong><\/li><li>If two angles are supplementary and one angle is double the other, then the larger angle is<br>(a) 60\u00b0<br>(b) 90\u00b0<br><strong>(c) 120\u00b0<\/strong><br>(d) 180\u00b0.<\/li><li>The root of the equation&nbsp;32&nbsp;x = \u2013 27 is<br>(a) 6<br>(b) 12<br>(c) 18<br><strong>(d) -18<\/strong><\/li><li>If two angles are complementary and one angle is 10\u00b0 greater than the other, then the smaller angle of the two is<br><strong>(a) 40\u00b0<\/strong><br>(b) 50\u00b0<br>(c) 90\u00b0<br>(d) 180\u00b0.<\/li><li>The root of the equation 7 (x \u2013 1) = 21 is<br>(a) 1<br>(b) 2<br>(c) 3<br><strong>(d) 4.<\/strong><\/li><li>The root of the equation&nbsp;2\/3&nbsp;y =&nbsp;5\/12&nbsp;is<br>(a)&nbsp;8\/5<br><strong>(b)&nbsp;5\/8<\/strong><br>(c) 5<br>(d) 8<\/li><li>The root of the equation<br>11x \u2013 5 \u2013 x + 6 = 2x + 17 is<br>(a) 1<br><strong>(b) 2<\/strong><br>(c) 3<br>(d) 4.<\/li><li>The root of the equation<br>13x \u2013 14 = 9x + 10 is<br>(a) 1<br>(b) 2<br>(c) 3<br><strong>(d) 6.<\/strong><\/li><li>The root of the equation<br>(2x \u2013 1) + (x \u2013 1) = x + 2 is<br>(a) 1<br><strong>(b) 2<\/strong><br>(c) -1<br>(d) -2.<\/li><li>The root of the equation 2y = 5 (7 \u2013 y ) is<br><strong>(a) 5<\/strong><br>(b) -5<br>(c) 3<br>(d) -3.<\/li><li>The root of the equation&nbsp;4x\/7&nbsp;\u2013 12 = 0 is<br>(a) 7<br>(b) 14<br><strong>(c) 21<\/strong><br>(d) -21<\/li><li>The root of the equation 9z \u2013 15 = 9 \u2013 3z is<br>(a) 1<br><strong>(b) 2<\/strong><br>(c) 3<br>(d) 4.<\/li><li>The root of the equation 3x + 4 = 13 is<br>(a) 1<br>(b) 2<br><strong>(c) 3<\/strong><br>(d) 4.<\/li><li>The root of the equation 3y + 4 = 5y \u2013 4 is<br>(a) 1<br>(b) 2<br>(c) 3<br><strong>(d) 4.<\/strong><\/li><li>The root of the equation&nbsp;5x\/3&nbsp;= 30 is<br>(a) 9<br>(b) 12<br>(c) 15<br><strong>(d) 18<\/strong><\/li><li>The root of the equation 14 \u2013 x = 8 is<br>(a) 2<br>(b) 4<br><strong>(c) 6<\/strong><br>(d) 8.<\/li><li>The root of the equation&nbsp;y\/3&nbsp;\u2013 7 = 11 is<br><strong>(a) 54<\/strong><br>(b) -54<br>(c) 18<br>(d) -18<\/li><li>The root of the equation 2y = 5(3 + y) is<br>(a) 5<br>(b)&nbsp;1\/5<br><strong>(c) -5<\/strong><br>(d) \u20131\/5The root of the equation 3x + 8 = 14 is<br>(a) 1<br><strong>(b) 2<\/strong><br>(c) -1<br>(d)&nbsp;12<\/li><li>The root of the equation x \u2013 8 = 2 is<br>(a) 2<br>(b) 8<br>(c) 6<br><strong>(d) 10.<\/strong><\/li><li>The root of the equation x + 3 = 5 is<br>(a) 1<br><strong>(b) 2<\/strong><br>(0 -1<br>(d) -2.<\/li><li>The root of the equation 5x \u2013 8 = 7 is<br>(a) 1<br>(b) 2<br><strong>(c) 3<\/strong><br>(d) -3.<\/li><li>The value of x in \u20132\/3&nbsp;= 2x is 3<br>(a)&nbsp;1\/3<br><strong>(b) \u20131\/3<\/strong><br>(c) 3<br>(d) \u2013 3.<\/li><li>3\/4&nbsp;part of a number is 5 more than its&nbsp;2\/3&nbsp;part. This statement in the form of an equation is<br>(a)&nbsp;2\/3&nbsp;x \u2013&nbsp;3\/4&nbsp;x= 5<br>(5)&nbsp;2\/3&nbsp;x \u2013 5 =3\/4&nbsp;x<br><strong>(c)&nbsp;3\/4&nbsp;x =&nbsp;2\/3&nbsp;x + 5<\/strong><br>(d)&nbsp;3\/4&nbsp;x \u2013 5 = \u20132\/3&nbsp;x<\/li><li>The value of x in&nbsp;3\/4&nbsp;x = 7 \u2013 x is<br><strong>(a) 4<\/strong><br>(b) 3<br>(c)&nbsp;7\/3<br>(d) 7.<\/li><li>The root of the equation \u20135\/4x&nbsp;= 15 is<br>(a)&nbsp;1\/12<br>(b) \u20131\/12<br><strong>(c)&nbsp;1\/20<\/strong><br>(d) \u20131\/20<\/li><li>When 9 are added to two times a number, we get 67. The number is<br>(a) 25<br>(b) 27<br><strong>(c) 29<\/strong><br>(d) 31.<\/li><li>In a two digit number, the unit\u2019s digit is x and the ten\u2019s digit is y. Then, the number is<br><strong>(a) 10y + x<\/strong><br>(b) 10x + y<br>(c) 10y \u2013 x<br>(d) 10x \u2013 y.<\/li><li>The difference of two numbers is 21. The larger number is x. The smaller number is<br>(a) 21 + x<br>(b) 21 \u2013 x<br><strong>(c) x \u2013 21<\/strong><br>(d) -x \u2013 21.<\/li><li>x is an odd number. The largest odd number preceding x is<br><strong>(a) x \u2013 1<\/strong><br>(b) x \u2013 2<br>(c) x \u2013 3<br>(d) x \u2013 4.<\/li><li>If x is an even number then the consecutive even number is<br>(a) x + 1<br><strong>(b) x + 2<\/strong><br>(c) 2x<br>(d) x \u2013 1.<\/li><li>The largest number of the three consecutive numbers is x + 1. Then, the smallest number is<br>(a) x + 2<br>(b) x + 1<br>(c) x<br><strong>(d) x \u2013 1.<\/strong><\/li><li>The solution of the equation&nbsp;5\/x&nbsp;= 2 is<br>(a) 10<br>(b)&nbsp;2\/5<br><strong>(c)&nbsp;5\/2<\/strong><br>(d)&nbsp;1\/10<\/li><li>The root of the equation 2x + 3 = 2(x \u2013 4) is<br>(a) 2<br>(b) 4<br>(c) 0<br><strong>(d) does not exist.<\/strong><\/li><li>The root of the equation 3x =&nbsp;20\/7&nbsp;\u2013 x is<br>(a) 10<br>(b)&nbsp;20\/21<br>(c) \u20135\/7<br><strong>(d)&nbsp;5\/7<\/strong><\/li><li>The root of the equation z + 4 = -8 is<br>(a) 3<br><strong>(b) -32<\/strong><br>(c) 12<br>(d) 4.<\/li><li>On subtracting 30 from two times a number, we get 56. This statement in the form of an equation is<br><strong>(a) 2x \u2013 30 = 56<\/strong><br>(b) 2x + 30 = 56<br>(c) 30 \u2013 2x = 56<br>(d)&nbsp;30\/2x&nbsp;= 56.<\/li><li>If 6 is added to 3 times of a number, it becomes 15. This statement in the form of an equation is<br><strong>(a) 3x + 6 = 15<\/strong><br>(b) 3x \u2013 6 = 15<br>(c) 3x + 15 = 6<br>(d)&nbsp;3x\/6&nbsp;= 15<\/li><li>A number when subtracted from 40 results into 15. This statement in the form of an equation is<br><strong>(a) 40 \u2013 x = 15<\/strong><br>(b) x \u2013 40 = 15<br>(c) 40 + x = 15<br>(d) 40x = 15.<\/li><li>A number when divided by 5 gives 6. This statement in the form of an equation is<br>(a) x \u2013 5 = 6<br>(b) x + 5 = 6<br><strong>(c)&nbsp;x\/5&nbsp;= 6<\/strong><br>(d) 5x = 6.<\/li><li>Seven times a number is 42. This statement in the form of an equation is<br>(a) x + 7 = 42<br><strong>(b) 7x = 42<\/strong><br>(c)&nbsp;x\/7&nbsp;= 42<br>(d) x \u2013 7 = 42.<\/li><li>If 15 is subtracted from a number, it becomes -5. This statement in the form of an equation is<br>(a) x + 15 = -5<br>(b) x \u2013 15 = 5<br>(c) x + 15 = 5<br><strong>(d) x \u2013 15 = -5.<\/strong><\/li><li>If 9 is added to a number, it becomes 25. This statement in the form of an equation is<br>(<strong>a) x + 9 = 25<\/strong><br>(b) x \u2013 9 = 25<br>(c) 9x = 25<br>(d)&nbsp;x\/9&nbsp;= 25.<\/li><li>The statement \u2018on adding 10 in a number, the number becomes 20\u2019 in the form of an equation is<br>(a) x \u2013 10 = 20<br><strong>(b) x + 10 = 20<\/strong><br>(c) 10x = 20<br>(d)&nbsp;x\/10&nbsp;= 20.<\/li><li>The degree of the equation x\u00b2 \u2013 2x + 1 = x\u00b2 \u2013 3 is<br><strong>(a) 1<\/strong><br>(b) 2<br>(c) 0<br>(d) 3.<\/li><li>Of the following, the linear equation in one variable x, is<br>(a)&nbsp;4\/x&nbsp;=&nbsp;x\/4<br>(b)&nbsp;1\/x&nbsp;+&nbsp;1\/x\u22121&nbsp;= 1<br><strong>(c)&nbsp;x\/2&nbsp;+&nbsp;x\/3&nbsp;+&nbsp;1\/4<\/strong><br>(d) x\u00b2 + 2x + 3 = 0.<\/li><\/ol>\n","protected":false},"excerpt":{"rendered":"<p>For Olympiads I RMS I Sainik School The standard form of a linear equation in one variable x is(a) ax + b = 0(b) ax\u00b2 + bx + c = 0(c) ax\u00b3 + bx\u00b2 + cx + d = 0(d) ax4&nbsp;+ bx\u00b3 + cx\u00b2 + dx + e = 0. One number is greater than [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"class_list":["post-8054","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/conceptsdk.com\/index.php?rest_route=\/wp\/v2\/pages\/8054","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/conceptsdk.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/conceptsdk.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/conceptsdk.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/conceptsdk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8054"}],"version-history":[{"count":5,"href":"https:\/\/conceptsdk.com\/index.php?rest_route=\/wp\/v2\/pages\/8054\/revisions"}],"predecessor-version":[{"id":8068,"href":"https:\/\/conceptsdk.com\/index.php?rest_route=\/wp\/v2\/pages\/8054\/revisions\/8068"}],"wp:attachment":[{"href":"https:\/\/conceptsdk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}