If the first three terms of an A.P are b, c and 2b, then find the ratio of b and c

If the first three terms of an A.P are b, c and 2b, then find ratio of

Question 19 - CBSE Class 10 Sample Paper for 2020 Boards - Maths Standard - Part 2


Transcript

Question 19 If the first three terms of an A.P are b, c and 2b, then find the ratio of b and c Given b, c, 2b are in AP So, 2nd term – 1st term = 3rd term – 2nd term c – b = 2b – c c + c = 2b + b 2c = 3b 2/3=𝑏/𝑐 𝑏/𝑐=2/3 Hence, the ratio is 2 : 3

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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, Social Science, Physics, Chemistry, Computer Science at Teachoo.