Ex 2.5, 2 - Express as rupees using decimals (i) 7 paise (ii) 7 rupees

Ex 2.5, 2 - Chapter 2 Class 7 Fractions and Decimals - Part 2
Ex 2.5, 2 - Chapter 2 Class 7 Fractions and Decimals - Part 3
Ex 2.5, 2 - Chapter 2 Class 7 Fractions and Decimals - Part 4
Ex 2.5, 2 - Chapter 2 Class 7 Fractions and Decimals - Part 5

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Transcript

Question 2 Express as rupees using decimals : (i) 7 paise 7 paise = 7 × 1 paise = 7 × 1/100 rupees = 7/100 rupees = 007/100 rupees = 0.07 rupees 100 paise = 1 rupees 1 paise = 1/100 rupees Question 2 Express as rupees using decimals : (ii) 7 rupees 7 paise . 7 rupees 7 paise = 7 rupees + 7 paise = 7 rupees + 7 × 1 paise = 7 rupees + 7 × 1/100 rupees = (7+7/100) rupees = ((7 × 100 + 7)/100) rupees = ((700 + 7)/100) rupees = 707/100 = 7.07 rupees Question 2 Express as rupees using decimals : (iii) 77 rupees 77 paise . 77 rupees 77 paise = 77 rupees + 77 paise = 77 rupees + 77 × 1 paise = 77 rupees + 77 × 1/100 rupees = (77+77/100) rupees = ((77 × 100 + 77)/100) rupees = ((700 + 77)/100) rupees = 7777/100 = 77.77 rupees Question 2 Express as rupees using decimals : (iv) 50 paise 50 paise = 50 × 1 paise = 50 × 1/100 rupees = 50/100 rupees = 050/100 rupees = 0.50 rupees Question 2 Express as rupees using decimals : (v) 235 paise 235 paise = 235 × 1 paise = 235 × 1/100 rupees = 235/100 rupees = 2.35 rupees

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo