{"id":51864,"date":"2021-06-11T15:54:23","date_gmt":"2021-06-11T10:24:23","guid":{"rendered":"https:\/\/samacheerguru.com\/?p=51864"},"modified":"2021-06-11T15:55:46","modified_gmt":"2021-06-11T10:25:46","slug":"samacheer-kalvi-7th-maths-guide-term-3-chapter-1-ex-1-4-in-tamil","status":"publish","type":"post","link":"https:\/\/samacheerguru.com\/samacheer-kalvi-7th-maths-guide-term-3-chapter-1-ex-1-4-in-tamil\/","title":{"rendered":"Samacheer Kalvi 7th Maths Guide Term 3 Chapter 1 \u0b8e\u0ba3\u0bcd\u0ba3\u0bbf\u0baf\u0bb2\u0bcd Ex 1.4"},"content":{"rendered":"

Tamilnadu State Board New Syllabus Samacheer Kalvi 7th Maths Guide<\/a> Pdf Term 3 Chapter 1 \u0b8e\u0ba3\u0bcd\u0ba3\u0bbf\u0baf\u0bb2\u0bcd Ex 1.4 Textbook Questions and Answers, Notes.<\/p>\n

TN Board 7th Maths Solutions Term 3 Chapter 1 \u0b8e\u0ba3\u0bcd\u0ba3\u0bbf\u0baf\u0bb2\u0bcd Ex 1.4<\/h2>\n

Question 1.
\n\u0b9a\u0bc1\u0bb0\u0bc1\u0b95\u0bcd\u0b95\u0bc1\u0b95.<\/p>\n

i) 0.6 \u00f7 3
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{0.6}{3}\\) = 0.2<\/p>\n

ii) 0.90 \u00f7 5
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{0.90}{5}\\) = 0.18<\/p>\n

iii) 4.08 \u00f7 4
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{4.08}{4}\\) = 1.02<\/p>\n

iv) 21.56 \u00f7 7
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{21.56}{7}\\) = 3.08<\/p>\n

v) 0.564 \u00f7 6
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{0.564}{6}\\) = 0.094<\/p>\n

vi) 41.36 \u00f7 4
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{41.36}{4}\\) = 10.34<\/p>\n

vii) 298.2 \u00f7 3
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{298.2}{3}\\) = 99.4<\/p>\n

\"Samacheer
\nQuestion 2.
\n\u0bae\u0ba4\u0bbf\u0baa\u0bcd\u0baa\u0bc1 \u0b95\u0bbe\u0ba3\u0bcd\u0b95.<\/p>\n

i) 5.7 \u00f7 10
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{5.7}{10}\\) = 0.57<\/p>\n

ii) 93.7 \u00f7 10
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{93.7}{10}\\) = 9.37<\/p>\n

iii) 0.9 \u00f7 10
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{0.9}{10}\\) = 0.09<\/p>\n

iv) 301.301 \u00f7 10
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{301.301}{10}\\) = 30.1301<\/p>\n

v) 0.83 \u00f7 10
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{0.83}{10}\\) = 0.083<\/p>\n

vi) 0.062 \u00f7 10
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{0.062}{10}\\) = 0.0062<\/p>\n

\"Samacheer<\/p>\n

Question 3.
\n\u0bae\u0ba4\u0bbf\u0baa\u0bcd\u0baa\u0bc1 \u0b95\u0bbe\u0ba3\u0bcd\u0b95.<\/p>\n

i) 0.7 \u00f7 100
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{0.7}{100}\\) = 0.007<\/p>\n

ii) 3.8 \u00f7 100
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{3.8}{100}\\) = 0.038<\/p>\n

iii) 49.3 \u00f7 100
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{49.3}{100}\\) = 0.493<\/p>\n

iv) 463.85 \u00f7 100
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{463.85}{100}\\) = 4.6385<\/p>\n

v) 0.3 \u00f7 100
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{0.3}{100}\\) = 0.003<\/p>\n

vi) 27.4 \u00f7 100
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{27.4}{100}\\) = 0.274<\/p>\n

\"Samacheer<\/p>\n

Question 4.
\n\u0bae\u0ba4\u0bbf\u0baa\u0bcd\u0baa\u0bc1 \u0b95\u0bbe\u0ba3\u0bcd\u0b95.<\/p>\n

i) 18.9 \u00f7 1000
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{18.9}{1000}\\) = 0.0189<\/p>\n

ii) 0.87 \u00f7 1000
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{0.87}{1000}\\) = 0.00087<\/p>\n

iii) 49.3 \u00f7 1000
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{49.3}{1000}\\) = 0.0493<\/p>\n

iv) 0.3 \u00f7 1000
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{0.3}{1000}\\) = 0.0003<\/p>\n

v) 382.4 \u00f7 1000
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{382.4}{1000}\\) = 0.3824<\/p>\n

vi) 93.8 \u00f7 1000
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{93.8}{1000}\\) = 0.0938<\/p>\n

\"Samacheer<\/p>\n

Question 5.
\n\u0bae\u0ba4\u0bbf\u0baa\u0bcd\u0baa\u0bc1 \u0b95\u0bbe\u0ba3\u0bcd\u0b95.<\/p>\n

i) 19.2 \u00f7 2.4
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{19.2}{2.4}\\) \u00d7 \\(\\frac{10}{10}\\)<\/p>\n

\"Samacheer = 8<\/p>\n

ii) 4.95 \u00f7 0.5
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{4.95}{0.5}\\) \u00d7\\(\\frac{100}{100}\\)<\/p>\n

\"Samacheer = 9.9<\/p>\n

iii) 19.11 \u00f7 1.3
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{19.11}{1.3}\\) \u00d7\\(\\frac{100}{100}\\)<\/p>\n

\"Samacheer = 14.7<\/p>\n

iv) 0.399 \u00f7 2.1
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{0.399}{2.1}\\) \u00d7\\(\\frac{1000}{1000}\\)<\/p>\n

\"Samacheer = 0.19<\/p>\n

v) 5.4 \u00f7 0.6
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{19.2}{2.4}\\) \u00d7\\(\\frac{10}{10}\\)<\/p>\n

= \\(\\frac{54}{6}\\) = 9<\/p>\n

vi) 2.197 \u00f7 1.3
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\n\\(\\frac{2.197}{1.3}\\) \u00d7 \\(\\frac{1000}{1000}\\)<\/p>\n

\"Samacheer = \\(\\frac{169}{100}\\) = 1.69<\/p>\n

\"Samacheer<\/p>\n

Question 6.
\n9.55 \u0b8e\u0b9f\u0bc8\u0baf\u0bc1\u0bb3\u0bcd\u0bb3 \u0b87\u0ba9\u0bbf\u0baa\u0bcd\u0baa\u0bc1\u0b95\u0bb3\u0bc8 \u0b90\u0ba8\u0bcd\u0ba4\u0bc1 \u0b95\u0bc1\u0bb4\u0ba8\u0bcd\u0ba4\u0bc8\u0b95\u0bb3\u0bc1\u0b95\u0bcd\u0b95\u0bc1\u0b9a\u0bcd \u0b9a\u0bae\u0bae\u0bbe\u0b95\u0baa\u0bcd \u0baa\u0b99\u0bcd\u0b95\u0bbf\u0b9f\u0bcd\u0b9f\u0bbe\u0bb2\u0bcd, \u0b92\u0bb5\u0bcd\u0bb5\u0bca\u0bb0\u0bc1 \u0b95\u0bc1\u0bb4\u0ba8\u0bcd\u0ba4\u0bc8\u0b95\u0bcd\u0b95\u0bc1\u0bae\u0bcd \u0b8e\u0bb5\u0bcd\u0bb5\u0bb3\u0bb5\u0bc1 \u0b87\u0ba9\u0bbf\u0baa\u0bcd\u0baa\u0bc1 \u0b95\u0bbf\u0b9f\u0bc8\u0b95\u0bcd\u0b95\u0bc1\u0bae\u0bcd?
\n\u0ba4\u0bc0\u0bb0\u0bcd\u0bb5\u0bc1 :
\n\u0b92\u0bb5\u0bcd\u0bb5\u0bca\u0bb0\u0bc1 \u0b95\u0bc1\u0bb4\u0ba8\u0bcd\u0ba4\u0bc8\u0b95\u0bcd\u0b95\u0bc1\u0bae\u0bcd \u0b95\u0bbf\u0b9f\u0bc8\u0b95\u0bcd\u0b95\u0bc1\u0bae\u0bcd \u0b87\u0ba9\u0bbf\u0baa\u0bcd\u0baa\u0bc1
\n= \\(\\frac{9.55}{5}\\)<\/p>\n

= \\(\\frac{9.55}{5}\\) \u00d7 \\(\\frac{100}{100}\\)<\/p>\n

= \\(\\frac{955}{500}\\)<\/p>\n

= \\(\\frac{191}{100}\\)
\n= 1.91 \u0b95\u0bbf.\u0b95\u0bbf<\/p>\n

Question 7.
\n\u0b92\u0bb0\u0bc1 \u0bb5\u0ba3\u0bcd\u0b9f\u0bbf\u0baf\u0bbe\u0ba9\u0ba4\u0bc1 1.2 \u0bb2\u0bbf\u0b9f\u0bcd\u0b9f\u0bb0\u0bcd \u0baa\u0bc6\u0b9f\u0bcd\u0bb0\u0bcb\u0bb2\u0bbf\u0bb2\u0bcd 76.8 \u0b95\u0bbf.\u0bae\u0bc0 \u0ba4\u0bc2\u0bb0\u0ba4\u0bcd\u0ba4\u0bc8\u0b95\u0bcd \u0b95\u0b9f\u0b95\u0bcd\u0b95\u0bbf\u0bb1\u0ba4\u0bc1 \u0b8e\u0ba9\u0bbf\u0bb2\u0bcd, \u0b92\u0bb0\u0bc1 \u0bb2\u0bbf\u0b9f\u0bcd\u0b9f\u0bb0\u0bcd \u0baa\u0bc6\u0b9f\u0bcd\u0bb0\u0bcb\u0bb2\u0bbf\u0bb2\u0bcd \u0b85\u0ba4\u0bc1 \u0b95\u0b9f\u0b95\u0bcd\u0b95\u0bc1\u0bae\u0bcd \u0ba4\u0bca\u0bb2\u0bc8\u0bb5\u0bc1 \u0b8e\u0bb5\u0bcd\u0bb5\u0bb3\u0bb5\u0bc1?
\n\u0ba4\u0bc0\u0bb0\u0bcd\u0bb5\u0bc1 :
\n1.2 \u0bb2\u0bbf\u0b9f\u0bcd\u0b9f\u0bb0\u0bcd \u0baa\u0bc6\u0b9f\u0bcd\u0bb0\u0bcb\u0bb2\u0bbf\u0bb2\u0bcd \u0b95\u0b9f\u0b95\u0bcd\u0b95\u0bc1\u0bae\u0bcd \u0ba4\u0bc2\u0bb0\u0bae\u0bcd =76.8 \u0b95\u0bbf.\u0bae\u0bc0
\n1 \u0bb2\u0bbf\u0b9f\u0bcd\u0b9f\u0bb0\u0bcd \u0baa\u0bc6\u0b9f\u0bcd\u0bb0\u0bcb\u0bb2\u0bbf\u0bb2\u0bcd \u0b95\u0b9f\u0b95\u0bcd\u0b95\u0bc1\u0bae\u0bcd \u0ba4\u0bc2\u0bb0\u0bae\u0bcd = \\(\\frac{7.68}{1.2}\\)<\/p>\n

= \\(\\frac{7.68}{1.2}\\) \u00d7 \\(\\frac{10}{10}\\)<\/p>\n

= \\(\\frac{76.8}{12}\\)<\/p>\n

= \\(\\frac{384}{6}\\) = 64 \u0b95\u0bbf.\u0bae\u0bc0<\/p>\n

\"Samacheer<\/p>\n

Question 8.
\n\u0b92\u0bb0\u0bc1 \u0b9a\u0ba4\u0bc1\u0bb0 \u0b85\u0b9f\u0bbf \u20b9 15.50 \u0bb5\u0bc0\u0ba4\u0bae\u0bcd \u0b92\u0bb0\u0bc1 \u0ba8\u0bbf\u0bb2\u0ba4\u0bcd\u0ba4\u0bc8\u0b9a\u0bcd \u0b9a\u0bae\u0ba9\u0bcd\u0baa\u0b9f\u0bc1\u0ba4\u0bcd\u0ba4\u0bc1\u0bae\u0bcd \u0b86\u0b95\u0bc1\u0bae\u0bcd \u0b9a\u0bc6\u0bb2\u0bb5\u0bc1 \u20b910,075 \u0b8e\u0ba9\u0bbf\u0bb2\u0bcd, \u0ba8\u0bbf\u0bb2\u0ba4\u0bcd\u0ba4\u0bbf\u0ba9\u0bcd \u0baa\u0bb0\u0baa\u0bcd\u0baa\u0bb3\u0bb5\u0bc8\u0b95\u0bcd \u0b95\u0bbe\u0ba3\u0bcd\u0b95. \u0ba4\u0bc0\u0bb0\u0bcd\u0bb5\u0bc1 :
\n\u0ba8\u0bbf\u0bb2\u0ba4\u0bcd\u0ba4\u0bbf\u0ba9\u0bcd\u0baa\u0bb0\u0baa\u0bcd\u0baa\u0bc1 = \"Samacheer<\/p>\n

= \\(\\frac{10075}{15.50}\\)<\/p>\n

= \\(\\frac{10075}{15.50}\\) \u00d7 \\(\\frac{10}{10}\\)<\/p>\n

= \\(\\frac{100750}{155}\\)<\/p>\n

= \\(\\frac{20130}{31}\\) = 650 \u0b95\u0bbf.\u0bae\u0bc0<\/p>\n

Question 9.
\n28 \u0baa\u0bc1\u0ba4\u0bcd\u0ba4\u0b95\u0ba4\u0bcd\u0ba4\u0bbf\u0ba9\u0bcd \u0bb5\u0bbf\u0bb2\u0bc8 \u20b9 1506.4 \u0b8e\u0ba9\u0bbf\u0bb2\u0bcd, \u0b92\u0bb0\u0bc1 \u0baa\u0bc1\u0ba4\u0bcd\u0ba4\u0b95\u0ba4\u0bcd\u0ba4\u0bbf\u0ba9\u0bcd \u0bb5\u0bbf\u0bb2\u0bc8 \u0b8e\u0bb5\u0bcd\u0bb5\u0bb3\u0bb5\u0bc1?
\n\u0ba4\u0bc0\u0bb0\u0bcd\u0bb5\u0bc1 :
\n28 \u0baa\u0bc1\u0ba4\u0bcd\u0ba4\u0b95\u0ba4\u0bcd\u0ba4\u0bbf\u0ba9\u0bcd \u0bb5\u0bbf\u0bb2\u0bc8 = \u20b9 1506.4
\n\u0b92\u0bb0\u0bc1 \u0baa\u0bc1\u0ba4\u0bcd\u0ba4\u0b95\u0ba4\u0bcd\u0ba4\u0bbf\u0ba9\u0bcd \u0bb5\u0bbf\u0bb2\u0bc8 = \\(\\frac{1506.4}{28}\\)<\/p>\n

\"Samacheer<\/p>\n

\u2234 \u0b92\u0bb0\u0bc1 \u0baa\u0bc1\u0ba4\u0bcd\u0ba4\u0b95\u0ba4\u0bcd\u0ba4\u0bbf\u0ba9\u0bcd \u0bb5\u0bbf\u0bb2\u0bc8 \u20b9 53.80<\/p>\n

\"Samacheer<\/p>\n

Question 10.
\n\u0b87\u0bb0\u0bc1 \u0b8e\u0ba3\u0bcd\u0b95\u0bb3\u0bbf\u0ba9\u0bcd \u0baa\u0bc6\u0bb0\u0bc1\u0b95\u0bcd\u0b95\u0bc1\u0b95\u0bcd \u0ba4\u0bca\u0b95\u0bc8 40.376 \u0b92\u0bb0\u0bc1 \u0b8e\u0ba3\u0bcd 14.42 \u0b8e\u0ba9\u0bbf\u0bb2\u0bcd, \u0bae\u0bb1\u0bcd\u0bb1\u0bca\u0bb0\u0bc1 \u0b8e\u0ba3\u0bcd\u0ba3\u0bc8\u0b95\u0bcd \u0b95\u0bbe\u0ba3\u0bcd\u0b95.
\n\u0ba4\u0bc0\u0bb0\u0bcd\u0bb5\u0bc1 :
\n\u0b92\u0bb0\u0bc1 \u0b8e\u0ba3\u0bcd 14.42
\n\u0bae\u0bb1\u0bcd\u0bb1\u0bca\u0bb0\u0bc1 \u0b8e\u0ba3\u0bcd X \u0b8e\u0ba9\u0bcd\u0b95
\n\u0b87\u0bb0\u0bc1 \u0b8e\u0ba3\u0bcd\u0b95\u0bb3\u0bbf\u0ba9\u0bcd \u0baa\u0bc6\u0bb0\u0bc1\u0b95\u0bcd\u0b95\u0bc1 \u0ba4\u0bca\u0b95\u0bc8 40.376
\n\u0b92\u0bb0\u0bc1 \u0b8e\u0ba3\u0bcd X \u0bae\u0bb1\u0bcd\u0bb1\u0bca\u0bb0\u0bc1 \u0b8e\u0ba3\u0bcd = 40.376
\n14.42 \u00d7 x = 40.376
\nx = \\(\\frac{40.376}{14.42}\\)<\/p>\n

= \\(\\frac{40.376}{14.42}\\) \u00d7 \\(\\frac{1000}{1000}\\)<\/p>\n

= \\(\\frac{40376}{14420}\\)<\/p>\n

= \\(\\frac{28}{10}\\) = 2.8<\/p>\n

\u0b95\u0bca\u0bb3\u0bcd\u0b95\u0bc1\u0bb1\u0bbf \u0bb5\u0b95\u0bc8 \u0bb5\u0bbf\u0ba9\u0bbe\u0b95\u0bcd\u0b95\u0bb3\u0bcd<\/p>\n

Question 11.
\n5.6 \u00f7 0.5 = ?
\ni) 11.4
\nii) 10.4
\niii) 0.14
\niv) 11.2
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\niv) 11.2<\/p>\n

\"Samacheer<\/p>\n

Question 12.
\n2.01 \u00f7 0.03 = ?
\ni) 6.7
\nii) 67.0
\niii) 0.67
\niv) 0.067
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\nii) 67.0<\/p>\n

Question 13.
\n0.05 \u00f7 0.5 =?
\ni) 0.01
\nii) 0.1
\niii) 0.10
\niv) 1.0
\n\u0bb5\u0bbf\u0b9f\u0bc8 :
\nii) 0.1<\/p>\n","protected":false},"excerpt":{"rendered":"

Tamilnadu State Board New Syllabus Samacheer Kalvi 7th Maths Guide Pdf Term 3 Chapter 1 \u0b8e\u0ba3\u0bcd\u0ba3\u0bbf\u0baf\u0bb2\u0bcd Ex 1.4 Textbook Questions and Answers, Notes. TN Board 7th Maths Solutions Term 3 Chapter 1 \u0b8e\u0ba3\u0bcd\u0ba3\u0bbf\u0baf\u0bb2\u0bcd Ex 1.4 Question 1. \u0b9a\u0bc1\u0bb0\u0bc1\u0b95\u0bcd\u0b95\u0bc1\u0b95. i) 0.6 \u00f7 3 \u0bb5\u0bbf\u0b9f\u0bc8 : = 0.2 ii) 0.90 \u00f7 5 \u0bb5\u0bbf\u0b9f\u0bc8 : = 0.18 iii) […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":""},"categories":[5],"tags":[],"blocksy_meta":"","jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/samacheerguru.com\/wp-json\/wp\/v2\/posts\/51864"}],"collection":[{"href":"https:\/\/samacheerguru.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/samacheerguru.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/samacheerguru.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/samacheerguru.com\/wp-json\/wp\/v2\/comments?post=51864"}],"version-history":[{"count":0,"href":"https:\/\/samacheerguru.com\/wp-json\/wp\/v2\/posts\/51864\/revisions"}],"wp:attachment":[{"href":"https:\/\/samacheerguru.com\/wp-json\/wp\/v2\/media?parent=51864"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/samacheerguru.com\/wp-json\/wp\/v2\/categories?post=51864"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/samacheerguru.com\/wp-json\/wp\/v2\/tags?post=51864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}