The interest on a certain sum of money is Rs. 1,480 in 2 years and at 10 percent per year. Find the sum of money. - Mathematics

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Sum

The interest on a certain sum of money is Rs. 1,480 in 2 years and at 10 percent per year. Find the sum of money.

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Solution

Let P = Rs. x

Time (T) = 2 years

Rate (R) = 10%

∴ Interest =`("P"xx"T"xx"R")/100=("x"xx10xx2)/100="x"/5`

`"x"/5` =  Rs. 1480    ...(Given)

∴ x = 1480 × 5 = Rs. 7400

Hence the money Rs. 7400.

Concept: To Find the Principle (P); the Rate Percent (R) and the Time
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Chapter 9: Interest - Exercise 9 (A) [Page 106]

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Selina Concise Mathematics Class 8 ICSE
Chapter 9 Interest
Exercise 9 (A) | Q 3 | Page 106
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