Verbal Reasoning - Mental Ability Questions

In the following question, select the related word from the given alternatives.
Goiter : Iodine : : Anemia : ?

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

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?

Which of the following cube in the answer figure cannot be made based on the unfolded cube in the question figure?

Find the missing number from the given alternatives.

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

A_C_E_B_DE

Choose the related word/letters/number from the given alternatives. RARE : ERAR : : ROCKET : ?

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