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Probability — Maths STD 10 — Question

CBSE BoardEnglish MediumSTD 10MathsProbability1 Mark
Question
Two numbers 'a' and 'b' are selected, successively without replacement in that order, from integers 1 to 10. The probability that a/b is an integer, is ____________ .
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Answer

$\frac{17}{90}$

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