బారు వడ్డీకి పెట్టుబడి పెట్టిన మొత్తం 10 సంవత్సరాలలో 5 రెట్లు అవుతుంది. 25 ఏళ్లలో ఎన్ని రేట్లు అవుతుంది? 

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UP Police SI (दरोगा) Official PYP (Held On: 25th Nov 2021 shift 3)
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  1. 13
  2. 11
  3. 9
  4. 15

Answer (Detailed Solution Below)

Option 2 : 11
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यूपी पुलिस SI (दरोगा) सामान्य हिंदी मॉक टेस्ट
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Detailed Solution

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ఇచ్చింది:

తీసుకున్న సమయం(T) = 10 సంవత్సరాలు

ఉపయోగించిన సూత్రం:

\(S.I = \dfrac{P\times R\times T}{100}\)

గణన:

మొత్తం = P

S.I = 5P - P = 4P

4P = \(\dfrac{P\times R\times T}{100}\)

⇒ 4P = \(\dfrac{P\times R\times 10}{100}\)

⇒ R =\(\dfrac{100\times 4}{10}\) = 40%

25 ఏళ్ల తర్వాత SI = \(\dfrac{P\times 40\times 25}{100} \)

⇒ 10P

25 సంవత్సరాల తరువాత మొత్తం = 10P + P = 11P

స్పష్టంగా, ఇది 11 రేట్లు అవుతుంది.

∴ సమాధానం 11.

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