Verbal Reasoning - Mental Ability Questions

In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.

3 ÷ 12 - 40 + 5 x 20 = ?

If 23 x 16 = 184, 37 x 10 = 185, then 85 x 12 = ?

Find the next term for the series given below: 5G, 6H, 7I, 8J , ?

If 9@3=12; 15@4=22; 16@14=4; then what is the value of 6@2=?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

17, 27, 42, 62,?

A points to B and says to a lady C "His mother is the only daughter of your father". If so, how is C related to B?

In the following question, select the related number from the given alternatives.
9143 : 9963 : : 6731 : ?

Select the related word/letters/number from the given alternatives.
ACE : HJL:: LNP : ?