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Find the Sum on Which the Compound Interest for 3years at 10% per Annum Amounts to Rs1,655.

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प्रश्न

Find the sum on which the compound interest for 3 years at 10% per annum amounts to Rs. 1,655.

योग
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उत्तर

Given : C.I. = Rs. 1,655; n = 3 years and r = 10%

∴ A = `"P"( 1 + r/100)^n`

⇒ A = `"P"( 1 + 10/100)^3`

⇒ A = `"P"(11/10)^3 = (1,331)/(1,000)`P

∴ A - P = C.I.

⇒ `(1,331)/(1,000)`P - P = Rs. 1,655

⇒ `(331)/(1,000)`P = Rs. 1,665

⇒  P = Rs. `(1,655 xx 1,000)/331` = Rs. 5,000.

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Concept of Compound Interest - Inverse Formula
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Compound Interest (Using Formula) - Exercise 3 (A) [पृष्ठ ४४]

APPEARS IN

सेलिना Concise Mathematics [English] Class 9 ICSE
अध्याय 3 Compound Interest (Using Formula)
Exercise 3 (A) | Q 6 | पृष्ठ ४४

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