Algebra of events — task. Assessments, Math TN.

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A purse contains

$10$ notes of

$₹2000$ ,

$15$ notes of

$₹500$ ,

$25$ notes of

$₹200$ . One note is drawn at random. What is the probability that the note is either a

$₹500$ note or

$₹200$ note?

$\frac{4}{5}$
$\frac{2}{3}$
$\frac{3}{10}$
$\frac{1}{5}$

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