In a college, 25% of the boys and 10% of the | vedclass

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Question

(b) Let $100$ students studying in which $60\%$ girls and $40\%$ boys.

Boys $= 40$, Girls $= 60$

$25\%$ of boys offer Maths $= \frac{{25}}{{100}

Vedclass · Accepted Answer

$\frac{3}{8}$

Vedclass · Answer

(b) Let $100$ students studying in which $60\%$ girls and $40\%$ boys.

Boys $= 40$, Girls $= 60$

$25\%$ of boys offer Maths $= \frac{{25}}{{100}} 	imes 40 = 10$ Boys

$10\%$ of girls offer Maths $=\frac{{10}}{{100}} 	imes 60 = 6$ Girls

It means, $16$ students offer Maths.

$	herefore $Required probability $ = \frac{6}{{16}} = \frac{3}{8}$.

In a college, $25\%$ of the boys and $10\%$ of the girls offer Mathematics. The girls constitute $60\%$ of the total number of students. If a student is selected at random and is found to be studying Mathematics, the probability that the student is a girl, is

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