+91-87964 74404
FlagBACK
Question icon
Grade 12Discuss with colleagues and IITians

if a bag contains 4 balls. 2 balls are drawn at random and are found to be white.what is the probability that all the balls are white?

Profile image of prateek nagar
16 Years agoGrade 12
Answers icon

2 Answers

Profile image of akshay khandelwal
14 Years ago

1\3because there is three cases for remaining two balls, that either both balls are white ,or both are not white, or one is white and other is not white

Profile image of akshay khandelwal
14 Years ago

      1/2

Other Related Questions on discuss with colleagues and iitians

question mark
Are core branches(Mechanical) in Top 3 NIT worth it ?
discuss with colleagues and iitians
1 Answer Available

Last Activity: 3 Years ago

question mark
My rank in JEE Advanced 2022 is 1871. Should I go for IIT Guwahati ECE or IIT Kanpur Mechanical and try for a branch change to CS or Electrical Engineering? Is changing your branch very difficult?
discuss with colleagues and iitians
1 Answer Available

Last Activity: 3 Years ago

question mark
Can i sacrifice board exams for jee mains as board exams are no where valueable as cuet and other will be seen for admission 
 
discuss with colleagues and iitians
1 Answer Available

Last Activity: 4 Years ago

question mark
Is a student studying in IGCSE syllabus eligible for taking IOQP or IOQJS?
discuss with colleagues and iitians
1 Answer Available

Last Activity: 4 Years ago

question mark
I have wasted my 11th? Is it still possible to get into my dream iit? Do i have to cover 11 th syllabus first? When and how can i finish it? 
discuss with colleagues and iitians
1 Answer Available

Last Activity: 4 Years ago