Tips & Tricks Six friends : A, B, C, D, E and F. 1) B is taller than A. B > A 2) C is shorter than E but taller than B. B < C < E → A < B < C < E → 3) D is shorter than F who is shorter than A. D < F < A → D < F < A < B < C < E Hence, E is the tallest among all.