45 × | number_system | 6 × | areas_volumes_mensuration | 2 × | seating_arrangements | ||

25 × | permutations_and_combinations | 6 × | progressions | 2 × | iterations | ||

18 × | time_speed_distance | 6 × | averages | 2 × | inequalities | ||

12 × | equations | 5 × | alphanumerics | 2 × | coding_and_decoding | ||

10 × | time_and_work | 5 × | profit_and_loss | 2 × | sets | ||

10 × | probability | 3 × | calenders | 2 × | clocks | ||

9 × | logic_puzzles | 3 × | ratio_and_proportion | 2 × | binary_logic | ||

9 × | percentages | 2 × | integer_solutions | 2 × | mixtures_and_alligation | ||

7 × | number_series | 2 × | help | 2 × | geometry | ||

6 × | functions | 2 × | problems_on_ages | 1 × | web_development |

...