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Playing with Numbers — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSPlaying with Numbers1 Mark
Question
If $\ \ \ \ \ 2\ \ \ \ \text{B}\\+\underline{\text{A}\ \ \ \ \text{B}}\\\ \ \ \ 8\ \ \ \ \ \text{A}$ then $A =$ _______ and $B =$ _______ .
✓

Answer

If $\ \ \ \ \ 2\ \ \ \ \text{B}\\+\underline{\text{A}\ \ \ \ \text{B}}\\\ \ \ \ 8\ \ \ \ \ \text{A}$ then $A = 6$ and $B = 3 .$
Solution:
Here, $B$ can take values from $0$ to $9.$
For $B=0, A=0$ which does not fit in tens column.
For $B = 1, A = 2,$ which does not fit in tens column For $B = 3,$
$A = 6$ which satisfies the tens column.
Hence, $A = 6$ and $B = 3.$

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