Verbal Reasoning - Mental Ability Questions

Which of the following terms follows the trend of the given list? abABABAB, ABabABAB, ABABabAB, ABABABab, abABABAB, _______________

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
550 x 22 - 24 + 3 = ?

If 40@8 = -5, 30@3 = -10 and 20@5 = -4, then find the value of 60@3 = ?

If 10$25 = 8, 12$25 = 10 then what is the value of 14$53 = ?

If 14 % 32 = 46, 52 % 20 = 72 then what is the value of 35 % 14 = ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. ? , Kerosene, Diesel, Fuel oil

If 13 # 9 = 94 and 18 # 7 = 100, then 24 # 6 = ?

Identify the diagram that best represents the relationship among the given classes.
Country, State, City