During Ancient period students were taught by which method?

Consider the following statements.

I. During vedic period, Gurukuls were the formal institutions of learning.

II. Gurukuls were not the residential schools.

III. During the period, there were equal number of Gurukuls for both, girls and boys.

Which of the above statements is/are correct?

Consider the following statements about Gurukul System of Education?

I. It was based on residential concept.

II. It provided religious and philosophical education.

III. Pupils were imparted education only through Shruti.

Which of the above statements is/are correct?