{"id":15261,"date":"2020-09-10T17:49:12","date_gmt":"2020-09-10T12:19:12","guid":{"rendered":"https:\/\/kseebsolutions.guru\/?p=15261"},"modified":"2021-07-02T15:01:52","modified_gmt":"2021-07-02T09:31:52","slug":"kseeb-solutions-for-class-7-maths-chapter-8-ex-8-2","status":"publish","type":"post","link":"https:\/\/kseebsolutions.guru\/kseeb-solutions-for-class-7-maths-chapter-8-ex-8-2\/","title":{"rendered":"KSEEB Solutions for Class 7 Maths Chapter 8 Comparing Quantities Ex 8.2"},"content":{"rendered":"

Students can Download Chapter 8 Comparing Quantities Ex 8.2, Question and Answers, Notes Pdf, KSEEB Solutions for Class 7 Maths<\/a>, Karnataka State Board Solutions help you to revise complete Syllabus and score more marks in your examinations.<\/p>\n

Karnataka State Syllabus Class 7 Maths Chapter 8 Comparing Quantities Ex 8.2<\/h2>\n

Question 1.
\nConvert the given fractional numbers to percents.
\na) \\(\\frac{1}{8}\\)
\nSolution:
\nPercent means per hundred. So multi-plied by 100.
\n\"KSEEB<\/p>\n

b) \\(\\frac{5}{4}\\)
\nSolution:
\n\"KSEEB<\/p>\n

c) \\(\\frac{3}{40}\\)
\nSolution:
\n\"KSEEB<\/p>\n

d) \\(\\frac{2}{7}\\)
\nSolution:
\n\"KSEEB<\/p>\n

\"KSEEB<\/p>\n

Question 2.
\nConvert the given decimal fractions to per cents.
\na) 0.65
\nSolution:
\n\"KSEEB<\/p>\n

b) 2.1
\nSolution:
\n\"KSEEB<\/p>\n

c) 0.02
\nSolution:
\n\"KSEEB<\/p>\n

d) 12.35
\nSolution:
\n\"KSEEB<\/p>\n

\"KSEEB<\/p>\n

Question 3.
\nEstimate what part of the figures is coloured and hence find the per cent which is coloured.
\n\"KSEEB
\nSolution:
\n\"KSEEB
\n\u2234 In the first figure 25% is coloured.
\n\"KSEEB
\n\u2234 in the second figur e 50% Is coloured,.
\n\"KSEEB
\n\u2234 In the third figure 37.5 % is coloured.<\/p>\n

\"KSEEB<\/p>\n

Question 4.
\nFind :
\na) 15% of 250
\nSolution:
\n\"KSEEB<\/p>\n

b) 1% of 1 hour
\nSolution:
\n\"KSEEB<\/p>\n

c) 20% of \u20b9 2500
\nSolution:
\n\"KSEEB<\/p>\n

d) 75% of \u20b9 1 kg
\nSolution:
\n\"KSEEB<\/p>\n

\"KSEEB<\/p>\n

Question 5.
\nFind the whole quantity if
\na) 5% of it is 600.
\nSolution:
\nLet the whole quantity be \u2018m\u2019
\n\u2234 5% of m = 600
\n\"KSEEB
\n\u2234 The whole quantity is 12,000.<\/p>\n

b) 12% of its 1080.
\nSolution:
\nLet the whole quantity be \u2018m\u2019
\n\u2234 12% of m = Rs. 1080
\n\"KSEEB
\n\u2234 The whole amount be Rs. 9.000<\/p>\n

c) 40 % of it is 500 km
\nSolution:
\nLet the whole quantity be \u2018m\u2019
\n\u2234 40% of m = 500 km
\n\"KSEEB
\n\u2234 The whole amount is 1250 kms<\/p>\n

\"KSEEB<\/p>\n

d) 70% of it is 14 minutes
\nLet the whole quantity be \u2018m\u2019
\n\"KSEEB
\n\u2234 The whole amount is 20 minutes<\/p>\n

e) 8% of it is 40 litres.
\nLet the whole quantity be \u2018m\u2019
\n\"KSEEB
\n\u2234 The whole amount be 500 liters<\/p>\n

\"KSEEB<\/p>\n

Question 6.
\nConvert given per cents to decimal fractions and also to fractions in simplest forms:
\nSolution:
\n\"KSEEB<\/p>\n

Question 7.
\nIn a city, 30% are females, 40% are males and the remaining are children. What percent are children?
\nSolution:
\nfemales = 30%
\nmales = 40%
\nchildren = 100 – (30 + 40)
\nremaining are children = 100 – 70 = 30%
\n\u2234 Percentage of children = 30%<\/p>\n

\"KSEEB<\/p>\n

Question 8.
\nOut of 15,000 votes in a constituency, 60% voted. Find the percentage of voters who did not vote. Can you now find how many actually did not vote?
\nSolution:
\nTotal no. of voters in a constituency } = 15,000
\nPercentage of voted = 60%
\n\u2234 Percentage of voters who did not vote
\n= 100 – 60 = 40%
\nActual number of voters who did not vote} = 40% of 15,000
\n\"KSEEB
\n6000 voters who did not vote.<\/p>\n

Question 9.
\nMeeta saves \u20b9 400 from her salary. If this is 10% of her salary. What is her salary?
\nSolution:
\nLet Meeta\u2019s salary be \u2018M\u2019
\n10% of M is = Rs. 400
\n\u2234 M =?
\n\"KSEEB
\n\u2234 Her salary be Rs. 4,000\/-<\/p>\n

\"KSEEB<\/p>\n

Question 10.
\nA local cricket team played 20 matches in one season. It won 25% of them. How many matches did they win?
\nLet the total matches won by them be M 25% of 20 = M
\n\"KSEEB
\n\u2234 They win 5 matches.<\/p>\n","protected":false},"excerpt":{"rendered":"

Students can Download Chapter 8 Comparing Quantities Ex 8.2, Question and Answers, Notes Pdf, KSEEB Solutions for Class 7 Maths, Karnataka State Board Solutions help you to revise complete Syllabus and score more marks in your examinations. Karnataka State Syllabus Class 7 Maths Chapter 8 Comparing Quantities Ex 8.2 Question 1. Convert the given fractional …<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/posts\/15261"}],"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=15261"}],"version-history":[{"count":0,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/posts\/15261\/revisions"}],"wp:attachment":[{"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/media?parent=15261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/categories?post=15261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kseebsolutions.guru\/wp-json\/wp\/v2\/tags?post=15261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}