{"id":4851,"date":"2020-09-09T07:35:56","date_gmt":"2020-09-09T02:05:56","guid":{"rendered":"https:\/\/kseebsolutions.guru\/?p=4851"},"modified":"2021-07-02T15:03:36","modified_gmt":"2021-07-02T09:33:36","slug":"kseeb-solutions-class-8-maths-chapter-5-ex-5-3","status":"publish","type":"post","link":"https:\/\/kseebsolutions.guru\/kseeb-solutions-class-8-maths-chapter-5-ex-5-3\/","title":{"rendered":"KSEEB Solutions for Class 8 Maths Chapter 5 Squares, Square Roots, Cubes, Cube Roots Ex 5.3"},"content":{"rendered":"

Students can Download Maths Chapter 5 Squares, Square Roots, Cubes, Cube Roots Ex 5.3 Questions and Answers, Notes Pdf, KSEEB Solutions for Class 8 Maths<\/a> helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.<\/p>\n

Karnataka Board Class 8 Maths Chapter 5 Squares, Square Roots, Cubes, Cube Roots Ex 5.3<\/h2>\n

Question 1.
\nFind the squares of
\n(i) 31
\n(ii) 72
\n(iii) 37
\n(iv) 166
\nAnswer:
\n(i) 312<\/sup>\u00a0= (30 + 1)2<\/sup>
\n= 302<\/sup>\u00a0+ 2 \u00d7 30 \u00d71 + 12<\/sup>
\n= 900 + 60 +1
\n= 961<\/p>\n

(ii) 722<\/sup>\u00a0= (70 + 2)2<\/sup>
\n= 702<\/sup>\u00a0+ 2 \u00d7 70 \u00d7 2 + 22<\/sup>
\n= 4900 + 280 + 4
\n= 5184<\/p>\n

(iii) 372<\/sup>\u00a0= (30 + 7)2<\/sup>
\n= 302<\/sup>\u00a0+ 2 \u00d7 30 \u00d7 7 + 72<\/sup>
\n= 900 + 420 + 49
\n= 1369<\/p>\n

(iv) 1662<\/sup>\u00a0= (160 + 6)2<\/sup>
\n= 1602<\/sup>\u00a0+ 2 \u00d7 160 \u00d7 6 + 62<\/sup>
\n= 25600 + 1920 + 36
\n= 27556<\/p>\n

Question 2.
\nFind the squares of.
\n(i) 85
\n(ii) 115
\n(iii) 165
\nAnswer:
\n(i) 852<\/sup>\u00a0= (80 + 5)2<\/sup>
\n= 802<\/sup>\u00a0+ 2 \u00d7 80 \u00d7 5 + 52<\/sup>
\n= 6400 + 800 + 25 = 7225<\/p>\n

(ii) 1152<\/sup>\u00a0= ( 100 + 15)2<\/sup>
\n= 1002<\/sup>\u00a0+ 2 \u00d7 100 \u00d7 15 + 152<\/sup>
\n= 10,000 + 3000 + 225 = 13225<\/p>\n

(iii) 1652<\/sup>=( 150+15)2<\/sup>
\n= 1502<\/sup>\u00a0+ 2 \u00d7 150 \u00d7 15 + 152<\/sup>
\n= 22500 + 4500 + 225 = 27225<\/p>\n

Question 3.
\nFind the square of 1468 by writing this as 1465 + 3.
\nAnswer:
\nFirst find the square of 1465.
\n\\((1465)^{2}=(146 \\times 147) 25\\) [Statement 9]
\n(1465)2<\/sup> = (146 \u00d7 147)25 [Statement 9]
\n(1465)2<\/sup>\u00a0= 2146225
\n(1465 + 3)2<\/sup>\u00a0= 14652<\/sup>\u00a0+ 2 \u00d7 1465 \u00d7 3 + 32<\/sup>
\n= 2146225 + 8790 + 9
\n(1468)2<\/sup>\u00a0= 2155024<\/p>\n","protected":false},"excerpt":{"rendered":"

Students can Download Maths Chapter 5 Squares, Square Roots, Cubes, Cube Roots Ex 5.3 Questions and Answers, Notes Pdf, KSEEB Solutions for Class 8 Maths helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations. Karnataka Board Class 8 Maths Chapter 5 Squares, Square Roots, Cubes, Cube Roots …<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/posts\/4851"}],"collection":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/comments?post=4851"}],"version-history":[{"count":0,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/posts\/4851\/revisions"}],"wp:attachment":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/media?parent=4851"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/categories?post=4851"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/tags?post=4851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}