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Question 13 - Examples - Chapter 2 Class 8 Linear Equations in One Variable

Last updated at May 29, 2023 by

Example 15 - Arjun is twice as old as Shriya. Five years ago his age

Example 15 - Chapter 2 Class 8 Linear Equations in One Variable - Part 2
Example 15 - Chapter 2 Class 8 Linear Equations in One Variable - Part 3

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Question 13 Arjun is twice as old as Shriya. Five years ago his age was three times Shriya s age. Find their present ages.Let Shriya s Present age be x years Arjun s present age = 2x years Five years ago, Shriya s age = (x 5) years Arjun s age = (2x 5) years Given, Five years ago Arjun s age = 3 Five years ago Shriya s age 2x 5 = 3 (x 5) 2x 5 = 3x 15 2x 5 + 15 = 3x 2x + 10 = 3x 3x = 2x + 10 3x 2x = 10 x = 10 Shreya's Present age = x = 10 years Arjun s present age = 2x = 2 10 = 20 years

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.