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At what rate per cent per annum will Rs. 630 produce an interest of Rs. 126 in 4 years ? - Mathematics

Sum

At what rate per cent per annum will Rs. 630 produce an interest of Rs. 126 in 4 years ?

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Solution

P = Rs. 630, I = Rs. 126, T = 4 years

`"R" =(100xx"I")/("P"xx"T")=(100xx126) /(630xx4) = 100/ 20 =5%`

Concept: To Find the Principle (P); the Rate Percent (R) and the Time
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 9 Interest
Exercise 9 (A) | Q 6.1 | Page 106
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