Students in higher education are usually urged to schedule:

a. One hour of study time for every hour spent in class.
b. Two hours of study time for every hour spent in class.
c. Three hours of study time for every hour spent in class.
d. Four hours of study time for every hour spent in class.

The Correct Answer is B

Explanation:

According to UNESCO the higher education play the key role in the growth of student's performance.

UNESCO says that the social role the higher education plays by interacting between the students and the intellectuals and various other scholars of the universities on the one hand and the development of the society on the other.

Higher education includes research, social service, writing works and teaching of the universities and for that at least two hours of study time must be spent in each class.

the 4th option is the answer