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Get Answers to all your Questions
Q9. Find the values of the letters in each of the following and give reasons for the steps involved.
Answers (1)
The additiion of B and 1 is 8 is giving a number whose ones digit is 8. this means digit B is 7 .
B + 1 = 8 and no carry for next step.
next step :
Now, A + B = 1 => A + 7
which implies A = 4
A + B = 11 and 1 is carry for next step
1 + 2 + A = B
1 + 2 + 4 = 7
Hence A = 4 and B = 7 is correct answer.
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