The science of cartography differed in how many periods?

Q.

12. Consider the following statements,

1] National Atlas and Thematic Mapping Organisation (NATMO) is the premier agency of applied Geo-Spatial technology and pioneer in Thematic Mapping and Atlas Cartography under Department of Science &Technology(Ministryof Science & Technology)

2] This organization is engaged in preparing different thematic maps and atlases and other documents on national, state, district, block level and many other monograms.
Which of the above statements is/are correct?

Q. A student can select one of 6 different mathematics books, one of 3 different chemistry books and of 4 different science books. In how many different ways can a student select a book of mathematics, a book of chemistry and a book of science ?

Q. There are $3$ candidates for a classical, $5$ for a mathematical, and $4$ for natural science scholarship. In how many ways can these scholarships be awarded (one scholarship per subject)

Q. There are $3$ books of mathematics, $4$ of science and $5$ of literature. How many different collections can be made such that each collection consists of
(i) one book of each subject,
(ii) atleast one book of each subject,
(iii) atleast one book of literature.

Q. In how many ways can $10$ maths teachers and $4$ science teachers be seated at a round table if all the $4$ science teachers do not sit together