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Playing with Numbers — Maths STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8MathsPlaying with Numbers1 Mark
MCQ
Mark $(\checkmark)$ against the correct answer: If $486^*7$ is divisible by $9,$ then the least value of $^*$ is:
  • A
    $0$
  • B
    $1$
  • C
    $3$
  • ✓
    $2$
✓

Answer

Correct option: D.
$2$
For a number to be divisible by $9,$ the sum of its digits must be divisible by $9.$
$4 + 8 + 6 + ^* + 7 = 25 + ^*$
Now,
$25 + ^* = 27($If $^* = 2$ and $27$ is divisible by $9)$

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