Ex 16.1, 9 - Find the values of letters - 2 A B + A B 1 = B18

Ex 16.1, 9 - Chapter 16 Class 8 Playing with Numbers - Part 2
Ex 16.1, 9 - Chapter 16 Class 8 Playing with Numbers - Part 3


Transcript

Question 9 Find the values of the letters in each of the following and give reasons for the steps involved. Here, B + 1 ends with 8. We put different values of B, and check which ends with 8 ∴ B = 7 Now, Putting B = 7 Now A + 7 ends with 1 Checking different values of A ∴ A = 4

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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.