Learn
Solution
Total number of marbles in the urn = 6 + 4 + 2 + 3 = 15
Total number of ways in which four marbles can be picked randomly from the urn = 15C4 = 1365
Number of blue marbles in the urn = 4
Total number of ways in which two blue marbles can be picked = 4C2
Number of...
Register & Unlock access to Prep for free
Solution
.hez-title-solution{display: none;}
Keynote
#hez-keynote-title{display: none;}
0
Probability questions available for your Free Practice
0
Quantitative Ability questions available for your Free Practice
Caselet DIPermutations & CombinationsOrder arrangementNumbersRatio & ProportionPassagesMathematical InequalitiesGRESet TheoryMiscellaneous - GAMarketingScience & TechnologyData Sufficiency - LRPie ChartQuadratic EquationsComputersExpansionsSBIDirectionsAuthors & BooksLine GraphsEnvironment & BiodiversityAveragesCATUPSCProbabilityLogical ReasoningSpot the ErrorCoding & DecodingSentence ImprovementData ProblemsIBPSWord BuildingQuadratic RelationsSimple & Compound InterestAPPSCSpeed, Time & DistanceSSCProfit and LossQuantitative AbilityRBISeriesVerbal ReasoningCloze TestMiscellaneous - VATrigonometryVerbal AbilityData InterpretationMensurationVocabularyComputer KnowledgeLogarithmsTaglinesArithmetic OperationsSymbols & NotationsTime & WorkIIFTNumber SeriesClocks & CalendarsAnalogiesBar GraphsCoordinate GeometryPercentagesAlgebraArrangements & RearrangementsGMATMiscellaneous - QAGATEXATCurrent Affairs 2015PolityNMATTabular DataFunctionsTCSNumber SystemBlood RelationsLICMixtures and AllegationsParajumblesPlacement TestsMATSyllogismsMiscellaneous - LRGeneralSimple EquationsCircular ArrangementCMATInequalitiesInput - OutputProgressions & SeriesGeometryImportant DaysGeneral AwarenessFill in the Blanks
Practice
0
questions for Free