Verbal Reasoning - Mental Ability Questions

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

1/4, 0.65, ?, 29/20, 1.85

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

160 + 8 x 30 ÷ 4 - 6 = ?

Select the appropriate combination of mathematical operators to be sequentially placed between the numbers given on the left of the following equation so that LHS = RHS.

5035 = 20

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 word from the given alternatives.
Goiter : Iodine : : Anemia : ?

Find the missing number from the given alternatives.

A girl introduces a man as the son of her grandfather and the brother of her maternal aunt. How is the man related to the girl?

If '+' means '÷', '÷' means '­', '­' means 'X' and 'X' means '+', then 48 + 16 x 4 ­2 ÷ 8 = ?