Verbal Reasoning - Mental Ability Questions

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
XIIIII, IXIIII, IIXIII, IIIXII,IIIIXI, ?

If ALPHA = 36, BETA = 26 then DELTA = ?

Spandana is the sister of Raju. How is Raju's father's sister related to Spandana?

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

75 - 5 + 25 ÷ 125 = ?

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

9 + 3 - 72 x 6 ÷ 3 = ?

In the following question, select the related number group from the given alternatives.
19 : 367 : : ? : ?

Select the related word/letters/number from the given alternatives.
25: 260 : : 30 : ?

Selecttherelatedword/letters/numbersfromthegivenalternatives: Sanitation:Illness::Care:?