{"id":4959,"date":"2020-09-09T06:31:21","date_gmt":"2020-09-09T01:01:21","guid":{"rendered":"https:\/\/kseebsolutions.guru\/?p=4959"},"modified":"2021-07-02T15:03:36","modified_gmt":"2021-07-02T09:33:36","slug":"kseeb-solutions-class-8-maths-chapter-7-ex-7-3","status":"publish","type":"post","link":"https:\/\/kseebsolutions.guru\/kseeb-solutions-class-8-maths-chapter-7-ex-7-3\/","title":{"rendered":"KSEEB Solutions for Class 8 Maths Chapter 7 Rational Numbers Ex 7.3"},"content":{"rendered":"

Students can Download Maths Chapter 7 Rational Numbers Ex 7.3 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 7 Rational Numbers Ex 7.3<\/h2>\n

1. Name the property indicated in the following:<\/p>\n

Question (i)
\n315+115 = 430
\nAnswer:
\nClosure property of addition<\/p>\n

Question (ii)
\n\\(\\frac{3}{4} \\times \\frac{9}{5}=\\frac{27}{20}\\)
\nAnswer:
\nClosure property of multiplication.<\/p>\n

Question (iii)
\n5 + 0 = 0 + 5 = 5
\nAnswer:
\n0 is the additive identity.<\/p>\n

Question (iv)
\n\\(\\frac{8}{9} \\times 1=\\frac{8}{9}\\)
\nAnswer:
\n1 is the multiplicative identity<\/p>\n

Question (v)
\n\\(\\frac{8}{17}+\\frac{-8}{17}=0\\)
\nAnswer:
\n\\(\\frac { -8 }{ 17 }\\)<\/p>\n

Question (vi)
\n\\(\\frac{22}{23} \\times \\frac{23}{22}=1\\)
\nAnswer:
\n\\(\\frac { 23 }{ 22 }\\) is the multiplicative identity<\/p>\n

2. Check the commutative property of addition for the following pairs.<\/p>\n

Question (i)
\n\\(\\frac{102}{201}, \\frac{3}{4}\\)
\nAnswer:
\n\"KSEEB<\/p>\n

Question (ii)
\n\\(\\frac{-8}{13}, \\frac{23}{27}\\)
\nAnswer:
\n\"KSEEB<\/p>\n

Question (iii)
\n\\(\\frac{-7}{9}, \\frac{-18}{19}\\)
\nAnswer:
\na + b = b + a
\n\"KSEEB<\/p>\n

3. Check the commutative property of multiplication for the following pairs<\/p>\n

Question (i)
\n\\(\\frac{22}{45}, \\frac{3}{4}\\)
\nAnswer:
\n\"KSEEB<\/p>\n

Question (ii)
\n\\(\\frac{-7}{13}, \\frac{25}{27}\\)
\nAnswer:
\n\"KSEEB<\/p>\n

Question (iii)
\n\\(\\frac{-8}{9}, \\frac{-17}{19}\\)
\nAnswer:
\n\"KSEEB
\n\"KSEEB<\/p>\n

4. Check the distributive property for the following triples of rational numbers.<\/p>\n

Question (i)
\n\\(\\frac{1}{8}, \\frac{1}{9}, \\frac{1}{10}\\)
\nAnswer:
\n\"KSEEB<\/p>\n

Question (ii)
\n\\(\\frac{-4}{9}, \\frac{6}{5}, \\frac{11}{10}\\)
\nAnswer:
\n\"KSEEB
\n\"KSEEB<\/p>\n

Question (iii)
\n\\(\\frac{3}{8}, 0, \\frac{13}{7}\\)
\nAnswer:
\n\"KSEEB<\/p>\n

5. Find the additive inverse of each of the following numbers.<\/p>\n

Question (1)
\n\\(\\frac { 8 }{ 5 }\\)
\nAnswer:
\n\\(\\frac { -8 }{ 5 }\\)<\/p>\n

Question (2)
\n\\(\\frac { 6 }{ 10 }\\)
\nAnswer:
\n\\(\\frac { -6 }{ 10 }\\)<\/p>\n

Question (3)
\n\\(\\frac { -3 }{ 8 }\\)
\nAnswer:
\n\\(\\frac { 3 }{ 8 }\\)<\/p>\n

Question (4)
\n\\(\\frac { -16 }{ 3 }\\)
\nAnswer:
\n\\(\\frac { 16 }{ 3 }\\)<\/p>\n

Question (5)
\n\\(\\frac { -4 }{ 1 }\\)
\nAnswer:
\n\\(\\frac { 4 }{ 1 }\\)<\/p>\n

6. Find the multiplicative inverse of each of the following numbers.<\/p>\n

Question (1)
\n2
\nAnswer:
\n\\(\\frac { 1 }{ 2 }\\)<\/p>\n

Question (2)
\n\\(\\frac { 6 }{ 11 }\\)
\nAnswer:
\n\\(\\frac { 11 }{ 6 }\\)<\/p>\n

Question (3)
\n\\(\\frac { -8 }{ 15 }\\)
\nAnswer:
\n\\(\\frac { -15 }{ 8 }\\)<\/p>\n

Question (4)
\n\\(\\frac { 19 }{ 18 }\\)
\nAnswer:
\n\\(\\frac { 18 }{ 19 }\\)<\/p>\n

Question (5)
\n\\(\\frac { 1 }{ 1000 }\\)
\nAnswer:
\n\\(\\frac { 1000 }{ 1 }\\)<\/p>\n","protected":false},"excerpt":{"rendered":"

Students can Download Maths Chapter 7 Rational Numbers Ex 7.3 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 7 Rational Numbers Ex 7.3 1. Name the property indicated in …<\/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\/4959"}],"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=4959"}],"version-history":[{"count":0,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/posts\/4959\/revisions"}],"wp:attachment":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/media?parent=4959"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/categories?post=4959"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/tags?post=4959"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}