ரூ.686  என்பது  \(\frac{1}{2}\;:\frac{2}{3}\;:3\;:4,\)என்ற விகிதசமத்தில் நான்கு பகுதிகளாகப் பிரிக்கப்பட்டுள்ளது எனில் முதல் பகுதி என்ன ?

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RRC Group D Previous Paper 2 (Held On: 18 Sep 2018 Shift 1)
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  1. ரூ. 52
  2. ரூ. 42
  3. ரூ. 56
  4. ரூ. 48

Answer (Detailed Solution Below)

Option 2 : ரூ. 42
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Detailed Solution

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⇒ (1/2) ∶ (2/3) ∶ 3 ∶ 4 = 3 ∶ 4 ∶ 18 ∶ 24

⇒ முதல் பகுதி = {3/(3 + 4 + 18 + 24)} × 686 = (3/49) × 686 = ரூ. 42
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