Based on the height comparison of six people (A, B, C, D, E, and F) where: - B is taller than only C. - A is shorter than F, who is shorter than E. - Only two people are between D and A. - The person who has the third lowest height is 140 cm tall. - E is 20 cm taller than A. What is the possible height of F?

Six students — P, Q, R, S, T, and U — scored marks in a test. R scored more than S but less than T. Q scored more than T but less than U. U did not score the highest marks. P scored the highest marks. How many students scored less than T?

Six persons D, E, F, I, G, and H scored different marks in an examination. D scored the highest marks. E scored less marks than D. G scored less marks than E. H scored less marks than G. I scored more marks than F but less marks than H. Who among them scored the third lowest marks?