Numbers 1, 2, 3, ..., 49 are written in the cells of 49×49 square, and the following holds: In every pair of cells that are symmetrical with respect to the main diagonal the same numbers are written;
In any row and in any column all the numbers are distinct.
What is the sum of all the numbers on this diagonal?

343t464564435rri76i6u

step-by-step explanation:

because i said it is

the answer would be d

straight away you can eliminate a and c because not all books contain a scientific skill because some may be fiction. c is also wrong because it saids that the only way children can learn is through books which is incorrect.

b is also wrong because reading can be a scientific skill but not always, therefore it is wrong which leaves you with d, the correct answer since it said that it can children learn.

hope this ! : 3