ரூ.4500 தொகைக்கு ஆண்டுக்கு 8% என்ற வட்டி விகித்தில் 3 ஆண்டுகளுக்கான கூட்டு வட்டிக்கும் தனிவட்டிக்கும் உள்ள வித்தியாசம் என்ன?

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RRC Group D Previous Paper 3 (Held On: 19 Sep 2018 Shift 1)
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  1. ரூ. 87.70
  2. ரூ. 87.50
  3. ரூ. 85.70
  4. ரூ.88.70

Answer (Detailed Solution Below)

Option 4 : ரூ.88.70
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தனிவட்டி = (P × R × T)/100, இதில் P என்பது அசல், R என்பது வட்டி விகிதம் மற்றும் T என்பது கால அளவு.

கூட்டு வட்டி = [P (1 + R/100)n] - P, இதில் P என்பது அசல், R என்பது வட்டி விகிதம் மற்றும் n என்பது கால அளவு.

⇒ SI = (4500 × 8 × 3)/100 = ரூ. 1080

⇒ CI = [4500 (1 + 8/100)3] - 4500 = ரூ. 5668.7 - 4500 = 1168.7

∴ தேவையான வேறுபாடு = ரூ. 88.70

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