Rahul's mother is the only daughter of Monika's father. How is Monika's husband related to Rahul ?

If HACB is written 8132, then how DEFA is related to__.

Direction : Study the following information carefully and answer the question given below:
Eight friends Manoj, Neeru, Ombir, Vipin, Willy, Xevier, Yacoub and Zampa attend symposiums on different months of the year viz. March, June, October and November, such that not more than two friends attend their symposiums in each of the months. Symposiums can be held on either 10th or 27th day of the month.
No two symposiums can be held on the same day. Willy and Neeru attend the symposiums on the same month. There are three symposiums held between the symposiums of Xevier and Ombir. Willy does not attend their symposium in November. Zampa attends his symposium immediately after Neeru. Vipin attends his symposium in the month of November. The number of friends who attend their symposiums between the symposiums of Yacoub and Zampa is the same as the number of friends who attend their symposiums between the symposiums of Neeru and Vipin. Xevier does not attend the symposium on October. Willy attends his symposium before Neeru.

How many friends attend the symposium after Willy? 

Question Figure

Question Figure

8 : 28 : : 27 : ?

Pointing to a Boy Sheela said ‘he is the only son of my grand mothers’s only child how is the Boy related to Sheela.

How many cubes are there of which at least one side is coloured with red colour?