Only two persons live below the floor on which H lives. Only one person lives between H and X. X does not live on the lowermost floor. Using the above information we can place X and H on the floor number 5 and 3 respectively. 
U lives on an odd numbered floor but not on floor number 7. Only two persons live between U and Y. Y does not live on the topmost floor. We can use the above information to place U and Y in the table as shown below. 
B lives immediately below Z. Neither B nor C lives on floor number 6. After using the above information we can place B, Z and C in the table and here we can see that there is only spot left on the table which will be filled by last remaining member i.e. D. 
Which direction does the Nile River flow?
Which planet is the largest in the Solar System?
Identify the Southernmost Point of India's Territory:
In Taekwondo, what does the term 'dobok' refer to?
The retreating Monsoon gives rainfall to:
In which one of the following islands of India is an active volcano found?
Which planet is located between Mercury and Earth in the solar system?
Which one among the following is the coral group of islands of India?
Which planet is commonly called the "Evening Star"?
How long does it take for light to travel from the Moon to Earth?
