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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

Sheela has paid simple interest on a certain sum for 4 years at 9.5% per annum is ₹ 21,280. Find the sum - Mathematics

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प्रश्न

Sheela has paid simple interest on a certain sum for 4 years at 9.5% per annum is ₹ 21,280. Find the sum

योग

उत्तर

Let the Principal be ₹ P

Rate of interest r = 9.5% per annum

Time (n) = 4 years

Simple Interest I = `"Pnr"/100`

Given I = ₹ 21,280

∴ `"Pnr"/100` = ₹ 21,280

`("P" xx 4 xx 9.5)/100` = ₹ 21,280

`("P" xx 4 xx 95)/1000` = ₹ 21,280

P = `(21280 xx 1000)/(4 xx 95)` = ₹ 56,000

∴ Sum of money Sheela bought = ₹ 56,000

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Percentage and Simple Interest - Exercise 2.4 [पृष्ठ ४४]

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सामाचीर कलवी Mathematics - Term 3 [English] Class 7 TN Board
अध्याय 2 Percentage and Simple Interest
Exercise 2.4 | Q 3 | पृष्ठ ४४
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