The population of a village is 5000 and i… | Answer | TuitionWave

Subject

Quantitative Aptitude

Topic

Interest

The population of a village is 5000 and it increase at the rate of 2% every year. After 2 years, the population will be:
Reading

ক)

5108

খ)

5100

গ)

5202

ঘ)

5300

Explanation

C = P(1+r) n = 5000{1+(2/100) 2 } = 5000{1+(1/50) 2 } = 5000(51/50) 2 = 5202

A certain amount of money earning simple interest becomes 7/5thof the initial amount in 4 years. What is the interest rate?

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