448টি মোবাইল ফোন শিক্ষার্থীদের মধ্যে সমানভাবে ভাগ করা যায় এমন উপায়ের সংখ্যা খুঁজুন।

This question was previously asked in
RPF SI Previous Paper 2 (Held On: 5 Jan 2019 Shift 2)
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  1. 14
  2. 12
  3. 16
  4. 18

Answer (Detailed Solution Below)

Option 1 : 14
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Detailed Solution

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448 = 2 x 2 x 2 x 2 x 2 x 2 x 7

⇒ 448 = 2 6 x 7 1

∴ প্রয়োজনীয় সংখ্যক মোবাইল ফোন শিক্ষার্থীদের মধ্যে সমানভাবে ভাগ করা হবে = (6 + 1) x (1 + 1) = 7 x 2 = 14

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