What number is yielded when 800 is increased by `50%` and then decreased by `30%`?

800, increased by 50% and then decreased by 30% yields what number?

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 |

If the length of a rectangle is increased by 50%, and the breadth is decreased by 30%, then the area of the rectangle increases by x%. Then the value of x is: