The Constant Struggle
This is funny but true as it concerns the experience of studying science. The picture shows someone trying to solve the probability problem in an exam, which looks okay because the man did it calmly without giving any problem, which makes the probability question easy.

However, the picture below is the concept of permutation and combination embedded in this question and waits until you start showing up. The question grows harder, and a seemingly easy question becomes impossible. Then the student has to battle with this new side just to solve the question and get the right answer.
Pages: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45