Last updated at April 16, 2024 by Teachoo
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