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Published on: 24/05/2021
QB365 Provides the updated NCERT Examplar Questions for Class 12 Maths, and also provide the detail solution for each and every ncert examplar questions , QB365 will give all kind of study materials will help to get more marks
Download CBSE Class 12th Standard CBSE Maths question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 12th Standard CBSE Maths
Questions + Answers key
Take MCQ Maths Test1.
A flashlight has 8 batteries out of which 3 are dead. If two batteries are selected without replacement and tested, then probability that both are dead is
\(\frac{33}{56}\)
\(\frac{9}{64}\)
\(\frac{1}{14}\)
\(\frac{3}{28}\)
2.
If 3 A and B are two events such that \(P(B)=\frac{3}{5}\),\(P(A / B)=\frac{1}{2} \text { and } P(A \cup B)=\frac{4}{5}\) then P(A) equals
\(\frac{3}{10}\)
\(\frac{1}{5}\)
\(\frac{1}{2}\)
\(\frac{3}{5}\)
1.
(d)
\(\frac{3}{28}\)
2.
(c)
\(\frac{1}{2}\)
12th Standard CBSE Syllabus & Materials
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