10% ஆண்டு கூட்டு வட்டியில், ரூ. 12,000-ன் தொகை எத்தனை ஆண்டுகளில் ரூ. 14,520 ஆகும்?

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RRB Technician Grade III Official Paper (Held On: 29 Dec, 2024 Shift 1)
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  2. 5
  3. 3
  4. 4

Answer (Detailed Solution Below)

Option 1 : 2
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கொடுக்கப்பட்டது:

அசல் (P) = ரூ.12,000

மொத்தத் தொகை (A) = ரூ.14,520

வட்டி விகிதம் (r) = 10% ஆண்டுக்கு

பயன்படுத்தப்படும் சூத்திரம்:

A = P(1 + )t

கணக்கீடுகள்:

14,520 = 12,000(1 + )t

= (1 + )t

⇒ 1.21 = (1.1)t

⇒ 1.12 = (1.1)t

⇒ t = 2

∴ சரியான விடை விருப்பம் (1).

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