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  • Maths Online Test Class 8
  • If A 1 + 1 B = B 0, then the value of A and B is
Multiple choice

If A 1 + 1 B = B 0, then the value of A and B is

  1. A = 7 , B = 9

  2. A = 0 , B = 1

  3. A = 1 , B = 0

  4. A = 9 , B = 7

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

(10A + 1) + (10 + B) = 10B + 0. Simplifying: 10A + B + 11 = 10B. 10A + 11 = 9B. Testing A=7: 70 + 11 = 81, so 9B = 81, B = 9. This matches.

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