The price of a certain DVD is discounted by 10% and the reduced price is then discounted by another 10%. This series of successive discounts is equivalent to a single discount of :

JB PLC Janata Senior Officer BCS 29th BCS Preli - 2009 NBL National Officer - 2009 Standard Bank Standard Officer (Cash) - 2009 FSIB FSIBL PO - 2009 SBC SBC Officer - 2009 PSC BRDB Officer - 2009 DBBL DBBL Officer - 2004 RAKUB RAKUB Senior Officer - 2006 Janata Senior Officer - 2015 IBBL IBBL Officer - 2003 IBBL Officer - 2005 SIBL SIBL PO - 2014 গণিত 2015 ধার্যমূল্য ও ছাড়