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A number is first increased by 40% and t...

A number is first increased by 40% and then decreased by 25%, again increased by 15% and then decreased by 20%, What is the net increase decrease per cent in the number ?
एक संख्या में पहले 40% की वृद्धि हुई है और फिर 25% की कमी हुई, फिर से 15% की वृद्धि हुई और फिर 20% की कमी हुई, संख्या में कुल वृद्धि या कमी के प्रतिशत को ज्ञात करे।

A

7.2% decrease

B

6.4% increase

C

3.4% increase

D

3.4% decrease

Text Solution

Verified by Experts

The correct Answer is:
D
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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 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 |

GAGAN PRATAP -PERCENTAGE-Percentage (Sheet-2)
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