Question
Download Solution PDFచక్రవడ్డీతో పెట్టుబడి పెట్టిన మొత్తం సొమ్ము 3 సంవత్సరాలలో రూ. 7,800 మరియు 5 సంవత్సరాలలో రూ. 11,232 అవుతుంది. రేటు శాతం ఎంత?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFఇచ్చిన:
మొత్తం రూ. 3 సంవత్సరాలలో 7800 మరియు రూ. 5 సంవత్సరాలలో 11232
ఉపయోగించిన ఫార్ములా:
చక్రవడ్డీ వద్ద, చివరి మొత్తం =\(P\left(1+\frac{r}{100} \right)^{n}\)
ఎక్కడ, P = మొత్తం
r = వడ్డీ రేటు
n = సమయం (సంవత్సరాలు)
లెక్కింపు:
ఇక్కడ రూ. 7800 రెండేళ్లలో చక్రవడ్డీపై 11232.రూ. అవుతుంది.
వడ్డీ రేటు = R
కాబట్టి, 11232 =\(7800\left(1+\frac{R}{100} \right)^2\)
⇒ [(100 + R)/100]2 = 11232/7800
⇒ [(100 + R)/100]2 = 144/100
⇒ [(100 + R)/100]2 = (12/10)2
⇒ [(100 + R)/100] = (12/10)
⇒ 100 + R = 1200/10 = 120
⇒ R = 120 - 100 = 20
∴ రేటు శాతం 20%
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