There are five persons sitting on a bench. Blue eyed lady sitting in the middle is my mother. At the extreme left, the man with grey hair is my maternal uncle. Lady sitting at the extreme right is having a pimple on her nose and is the wife of person who is sitting between blue eyed lady and grey haired man and has a pointed nose. A lady having marks on her face is the younger sister of the blue eyed lady and sitting on the remaining fifth place. The person having a pointed nose is the son of the blue eyed lady. What is the lady having marks on her face to the man sitting at extreme left ?

The correct answer is C. Sister.

The lady having marks on her face is the younger sister of the blue eyed lady. The blue eyed lady is the mother of the person having a pointed nose. The person having a pointed nose is the son of the blue eyed lady. Therefore, the lady having marks on her face is the younger sister of the mother of the person having a pointed nose. This makes her the sister of the man sitting at the extreme left.

Here is a brief explanation of each option:

• Option A: Wife. This is incorrect because the lady having marks on her face is the younger sister of the blue eyed lady, not her wife.
• Option B: Maternal Aunt. This is incorrect because the lady having marks on her face is the younger sister of the blue eyed lady, not her maternal aunt.
• Option C: Sister. This is the correct answer because the lady having marks on her face is the younger sister of the blue eyed lady, who is the mother of the person having a pointed nose. This makes her the sister of the man sitting at the extreme left.
• Option D: Sister-in-law. This is incorrect because the lady having marks on her face is the younger sister of the blue eyed lady, not her sister-in-law.