In a class ,there are 15 boys and 10 girls .one student is selected at random. The probability that one girl is selected,is:
Select the correct option
A) 10/25	B) 2/5	C) 15/25	D) 3/25	E) 1/25
Total number of students = 10+15= 
<gadget id="calculator">10+15</gadget>
<output>25</output>
25   no.of girls in a class= 10   probability of one girl is selected = 10/25= 2/5   Answer is 2/5
<result>B</result>
In a class ,there are 15 boys and 10 girls .one student is selected at random. The probability that one girl is selected,is: