12th Standard CBSE Maths NCERT Exemplers
CBSE 12th Standard Maths Subject Probability Ncert Exemplar MCQ Questions With Solution 2021
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CBSE 12th Standard Maths Subject Probability Ncert Exemplar MCQ Questions With Solution 2021
12th Standard CBSE
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Reg.No. :
Maths
Time :
00:30:00 Hrs
Total Marks :
5
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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
(a)\(\frac{3}{10}\)
(b)\(\frac{1}{5}\)
(c)\(\frac{1}{2}\)
(d)\(\frac{3}{5}\)
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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
(a)\(\frac{33}{56}\)
(b)\(\frac{9}{64}\)
(c)\(\frac{1}{14}\)
(d)\(\frac{3}{28}\)
Multiple Choice Questions
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