हिंदी

The number of members of a club is increased by 10% every year. If the initial number of the members is 500, then what will be the number at the beginning of the third year? -

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प्रश्न

The number of members of a club is increased by 10% every year. If the initial number of the members is 500, then what will be the number at the beginning of the third year?

विकल्प

  • 610

  • 615

  • 620

  • 605

MCQ

उत्तर

605

Explanation:

No. of Members initially = 500

Increasing Rate = 10% per year

Time = 2 year

No. of people after 2 years `= "P"[1+"r"/100]^2`

`"A"=500[1+10/100]^2=500xx121/100`

= 605

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Simple and Compound Interest (Entrance Exam)
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