a salesman usually makes 25% profit on every radio he sells. During a sale, he reduces his profit margin to 20% while his sales increase by 10% what is the ratio of this new profit to his usual profit?

গণিত শতকরা হ্রাস-বৃদ্ধি Bangladesh Navy — Upper Division Assistant LGD SAE (Civil) - 2026 BSCIC Technical Officer - 2026 Bangladesh Navy — Upper Division Assistant - 2026 BB Officer (General) - 2019 ECS – Upper Division Assistant - 2018 BB Officer (General) - 2018 Pre-Primary Teacher - 2014 SJIBL MTO - 2011 Rupali Senior Officer - 2010 Dhaka Bank MTO - 2004 SIBL Officer - 2004 DOR Sub-Registrar - 2003 Premier Senior Officer - 2003

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গণিত শতকরা হ্রাস-বৃদ্ধি শতকরা (Percentage) MoTJ Assistant Director WZPDCL JAM (Accounts/Finance) - 2026 MoTJ Assistant Director - 2026 Combined Bank Officer - 2023 PMG Northern Circle Postman - 2022 BKB Officer - 2017 Modhumoti PO - 2017 BB AD - 2016 Pubali Junior Officer - 2012 BB AD - 2011 Pubali Junior Officer - 2011 ONE PO - 2010 BB AD - 2009 Karmasangsthan Senior Officer - 2009 BKB Assistant Officer - 2007 BCBL Officer - 2006

গণিত শতকরা হ্রাস-বৃদ্ধি APSCL Junior Electrician

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গণিত শতকরা হ্রাস-বৃদ্ধি Bangladesh Navy Storeman