In his pocket, a boy has 3 red marbles, 4 blue marbles, and 4 green marbles. How many will he have to take out of his pocket to ensure that he has taken out at least one of each color?

IBBL IBBL Officer Sonali Bank Sonali Senior Officer - 2010 TBL Trust Officer - 2010 BHBFC BHBFC Senior Officer - 2015 MTB MTB MTO - 2014 City Bank City PO - 2011 PSC JBC – Assistant Manager - 2020 SGCL – Assistant Coordinator Officer - 2020 IBBL Officer - 2011 মানসিক দক্ষতা 2011