Verbal Reasoning - Mental Ability Questions

Looking at the portrait of a girl, Sheesha, a girl, said, "Her mother is my grandfather's only daughter who has only one daughter and no sons". How is Sheesha related to the girl in the portrait?

In the following question, select the missing number from the given series.
5, 13, 40, 104, ?

Introducing a man, Amar says, "His wife is the only daughter of my maternal grandfather". How is the man related to Amar?

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

27 x 3 ÷ 30 + 5 - 125 = ?

A word arranging device rearranges words step-by-step in a particular order according to set of rules. The device stops when the final result is obtained.
Input: but going for crept te light sir
Step 1: crept but going for te light sir
Step 2: crept going light but for te sir
Step 3: crept going light but for sir te
And Step 3 is the last step for this input. Now, find out an appropriate step in the following question following the above rules.

Question:
Input: more fight cats cough sough acts idea
What will be the last step for this input ?

Find the odd word/letters/number pair from the given alternatives.
(A) Violin
(B) Piano
(C) Flute
(D) Harmonium

If ETHANOL is coded as HWKDQRO, then how will MIX be coded as?

Select the related letters from the given alternatives.
WUS : DFH :: MKI : ?