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Question

Q30. The population of a city increases by 30% every year. If the present population is 3,38,000, what was the population of the city two years ago?

Q30. किसी शहर की आबादी हर साल 30% बढ़ जाती है। यदि वर्तमान जनसंख्या 3,38,000 है, तो दो साल पहले शहर की आबादी क्या थी?


A

a) 3,00,000

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B

(b) 2,50,000

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C

(c) 2,00,000

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D

(d) 2,40,000

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Solution

The correct option is C

(c) 2,00,000


In two years, population increases by 69%

Therefore, population two years before

=3380001.69

200,000

दो वर्षों में, जनसंख्या 69% बढ़ जाती है

इसलिए, आबादी (दो साल पहले) =3380001.69

200,000


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