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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ८

A principal becomes ₹ 2028 in 2 years at 4% p.a compound interest. Find the principal.

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प्रश्न

A principal becomes ₹ 2028 in 2 years at 4% p.a compound interest. Find the principal

योग
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उत्तर

n = 2 years

r = rate of interest = 4% p.a

Amount A = ₹ 2028

Amount (A) = `"P"(1 + "r"/100)^"n"`  ...[Applying in formula]

2028 = `"P"(1 + 4/100)^2`

2028 = `"P"(104/100)^2`

∴ P = `(2028 xx 100 xx 100)/(104 xx 104)`

= ₹ 1875

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अध्याय 4: Life Mathematics - Exercise 4.3 [पृष्ठ १३९]

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सामाचीर कलवी Mathematics [English] Class 8 TN Board
अध्याय 4 Life Mathematics
Exercise 4.3 | Q 5 | पृष्ठ १३९

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