Six friends, Ishaan, Lubna, Uzma, Vikram, Wasim and Zara, sit in a straight row facing north. Exactly three persons sit between Vikram and Ishaan. Ishaan and Lubna are immediate neighbours. Ishaan sits immediately to the right of Uzma. Uzma sits immediately to the right of Wasim. Who sits at the extreme right end of the row?
Correct answer D. Lubna
Explanation
Combining the clues gives the only possible left-to-right order: Vikram, Zara, Wasim, Uzma, Ishaan, Lubna. Hence Lubna sits at the extreme right end.
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