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Q.

The probability of getting qualified in JEE-Mains and JEE-Advanced by a student are $\frac{1}{5} and \frac{3}{5}$ respectively. The probability that the students gets qualitied for one of these tests is

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a

17/25

b

3/25

c

1/5

d

3/5

answer is D.

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Detailed Solution

Probability of getting qualified in one these tests is

$= \frac{1}{5} + \frac{3}{5} - \frac{1}{5} \times \frac{3}{5} \Rightarrow \frac{4}{5} - \frac{3}{25} = \frac{17}{25}$

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