Question

the simple interest on a certain sum for 3 years at 14 per annum is Rs 235.20 . the sum is. ​

Answer 1

Answer:

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Step-by-step explanation:

SI = ( P × R × T ) ÷ 100

235.20 = ( P × 14 × 3) ÷ 100

23520 = P × 42

P = 23520 ÷ 42

P = Rs.560

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Answer 2

$\sf{\bold{\green{\underline{\underline{Given}}}}}$

• Simple Interest = Rs. 235.20
• Time = 3years
• Rate = 14%

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$\sf{\bold{\green{\underline{\underline{To\:Find}}}}}$

• Principle = ??

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$\sf{\bold{\green{\underline{\underline{Solution}}}}}$

$\sf{\red{\boxed{\bold{SI = \dfrac{ p\times r\times t}{100}}}}}$

⠀⠀⠀⠀

$\sf : \implies\:{\bold{ 235.20 = \dfrac{ p\times 14 \times 3}{100}}}$

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$\sf : \implies\:{\bold{ \dfrac{23520}{100} = \dfrac{ p\times 14 \times 3}{100}}}$

⠀⠀⠀⠀

$\sf : \implies\:{\bold{ \dfrac{23520\times 100}{100}= { p\times 14 \times 3}}}$

⠀⠀⠀⠀

$\sf : \implies\:{\bold{ 23520 = { p\times 14 \times 3}}}$

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$\sf : \implies\:{\bold{ p = \dfrac{23520}{3\times 14}}}$

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$\sf : \implies\:{\bold{ p = \dfrac{7840}{14}}}$

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$\sf : \implies\:{\bold{ p = \dfrac{3920}{7}}}$

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$\sf : \implies\:{\bold{ p = Rs. 560}}$

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$\sf{\bold{\green{\underline{\underline{Answer}}}}}$

• Rs. 235.20 will be SI on Rs. 560 in 3 years at 14% per annum