Last updated at Dec. 16, 2024 by Teachoo
Example 2 Find A and B in the addition. Here, A + A + A ends with A That is 3A ends with A. We put different values of A, and check which ends with A ∴ A can be 0 or 5 If A = 0 No possible value of B. If A = 5 ∴ B = 1 So, A = 5, B = 1 Checking Putting A = 5, B = 1 Hence verified ∴ A = 5 & B = 1
About the Author
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