Answer these questions on the basis of the information given below:
(i) In a class of 80 students the girls and the boys are in the ratio of 3 : 5. The students can speak only Hindi or only English or both Hindi and English.
(ii) The number of boys and the number of girls who can speak only Hindi is equal and each of them is 40% of the total number of girls.
(iii) 10% of the girls can speak both the languages and 58% of the boys can speak only English.
What percentage of all the students (boys and girls together) can speak only Hindi?
A 24 B 40 C 50 D 30 E None of these