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A number is increased by 30%, then decre...

A number is increased by 30%, then decreased by 25%, and then further increased by 25%. What is the net increase/decrease percent in the number (correct to the nearest integer) ?
एक संख्या को पहले 30% से बढ़ाया जाता है फिर 25% कम कर दिया जाता है और इसके बाद पुनः 25% बढ़ाया जाता है | संख्या में शुद्ध प्रतिशत वृद्धि / कमी ( निकटतम पूर्णाक में ) ज्ञात करें |

A

22% decrease

B

22% increase

C

21% decrease

D

21% increase

Text Solution

Verified by Experts

The correct Answer is:
D
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A number is increased by 30%, then decreased by 30%, then further decreased by 30%. What is the net increase/decrease percent in the number (correct to the nearest integer) ? एक संख्या को 30% बढ़ा दिया जाता है, फिर 30% कम कर दिया जाता है, और पुनः 30% कम कर दिया जाता है | संख्या में शुद्ध प्रतिशत वृद्धि या कमी ( निकटतम पूर्णांक तक सही ) ज्ञात करें |

A number is decreased by 30%, then increased by 30%, then further decreased by 10%. What is the net increase / decrease percent in the number (correct to the nearest integer) ? एक संख्या को 30% कम कर दिया जाता है, फिर 30% बढ़ा दिया जाता है, और इसके बाद पुनः 10% कम कर दिया जाता है | संख्या में शुद्ध प्रतिशत वृद्धि / कमी ( निकटतम पूर्णांक तक सही ) ज्ञात करें |

A number is decreased by 30%, then increased by 30%, then further increased by 30%. What is the net increase/decrease percent in the number (correct to the nearest integer) ? एक संख्या को 30% कम कर दिया जाता है, फिर 30% बढ़ा दिया जाता है, एवं पुनः 30% बढ़ा दिया जाता है | संख्या में हुई शुद्ध प्रतिशत वृद्धि या कमी ( निकटतम पूर्णांक तक सही ) ज्ञात करें |

1600 is first decreased by 25% and then it is increased by 25% . What is the final value?

The number first increased by 16% and then increased by 14%. The number, so obtained, is now decreased by 30%. What is the net increase or decrease percent in the original number (nearest to an integer) ? एक संख्या पहले 16% से बढ़ा दी जाती है और फिर 14% बढ़ा दी जाती है | इस प्रकार प्राप्त संख्या को 30% कम कर दिया जाता है | मूल संख्या में शुद्ध प्रतिशत वृद्धि या कमी (निकटतम पूर्णाक तक ) ज्ञात करें |

GAGAN PRATAP -PERCENTAGE-Percentage (Sheet-2)
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