A number decreased by 30% gives 84. the number is

A number decreased by 8% gives 69. the number is

A number decreased by 40% gives 135. the number is

A number decreased by 20(1)/(2)% gives 62. The number is

A number decreased by 27(1)/(2)% gives 87. The number is

A number is decreased first by 30% and then it is again decreased by 30%. What is the percentage change in the number?

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 |

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 |

If the numbers of all the engineers in the company V, company X and company Y be increasesd by 30% , 35% and 40% the number of all engineers of all companies taken together ?