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Probability question

2024 · 1 Feb · Shift 1 · Q31

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JEE Main
Mathematics
Probability
2024 · 1 Feb · Shift 1 · Q31

Probability question

2024 · 1 Feb · Shift 1 · Q31

JEE MainMathematicsProbabilityMCQ+4 / −1

A bag contains 8 balls, whose colours are either white or black. 4 balls are drawn at random without replacement and it was found that 2 balls are white and other 2 balls are black. The probability that the bag contains equal number of white and black balls is :

A
$\frac{2}{5}$
B
$\frac{2}{7}$
C
$\frac{1}{7}$
D
$\frac{1}{5}$

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