50 मीटर लांबीच्या स्टील तुकड्यापासून, एका कामगाराला शक्य तितके 5.25 मीटर लांबीचे तुकडे बनवले, तर किती दशांश अपूर्णांक तुकडा शिल्लक राहील ?

This question was previously asked in
RRB ALP Fitter 23 Jan 2019 Official Paper (Shift 2).
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  1. 0.025
  2. 0.055
  3. 0.035
  4. 0.045

Answer (Detailed Solution Below)

Option 2 : 0.055
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प्रश्नात दिल्याप्रमाणे:

तुकड्यांची एकूण लांबी = 50 मीटर,कापलेल्या तुकड्याची एकूण लांबी = 5.25 मी

आकडेमोड

तुकड्यांची संख्या = कापलेल्या तुकड्याची  लांबी / एकूण लांबी

⇒ 50 / 5.25 = 9.52

म्हणजे असे 9 पूर्ण तुकडे तुकड्यांमधून कापले जाऊ शकतात.

 कापलेल्या तुकड्याची  लांबी×तुकड्यांची संख्या =तुकड्याची  लांबी  

⇒ 5.25 × 9 = 47.25 मी

⇒ उर्वरित लांबी = 50 - 47.25 = 2.75

उर्वरित लांबी = (उर्वरित लांबी / एकूण लांबी) = (2.75 / 50) = 0.055

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