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Multiple Choice Question

The radius of a circle is increased by 10%. What will be the percentage increase in its area?एक वृत्त की त्रिज्या में 10% की वृद्धि की जाती है। इसके क्षेत्रफल में कितने प्रतिशत की वृद्धि होगी?

  • A
    10%
    10%
  • B
    20%
    20%
  • C
    21%
    21%
  • D
    100%
    100%
Explanation:
Using successive formula: a + b + (ab/100) = 10 + 10 + (10*10/100) = 21%.
क्रमिक वृद्धि सूत्र: a + b + (ab/100) = 10 + 10 + (100/100) = 21%।

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This question belongs to the set "UKSSSC VDO/Patwari/Lekhpal Full Length Mock Test – 2". Click below to read detailed notes and attempt the full quiz.

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