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Find the population of a city after 2 years , which is at present 12 lakh , if the rate of interest is 4%

Posted by Sangeetha Saklecha 6 years, 3 months ago

CBSE > Class 08 > Mathematics

1 answers

Gaurav Seth 6 years, 3 months ago

Formula is a = p(1+r/100)^n ------------------ (i)

Given p = 1200000, r = 4, n = 2

On submitting values in (i) we get,

a = 1200000(1+4/100)^2

= 1200000(1 + 1/25)^2

= 1200000(26/25)^2

= 1200000 * 26/25 * 26/25

= 1248000 * 26/25

= 1297920

0Thank You

ANSWER

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CBSE > Class 08 > Mathematics