We have, M lives on an even numbered floor but above fifth floor. Only three persons live between M and L. From the above condition, there are two possibilities 
Again we have, J lives two floors above L. P lives immediately above J. Only one person lives between P and K, who lives above J. 
Again we have, As many floors below K as above O. R lives above Q but below N, who doesn’t live on the topmost floor. So Case1 gets eliminated, hence the final arrangement becomes 
Petrology is the science of:
the National Academy of Agricultural Research and Management is located at
Which year was declared as the National year of Millets in India?
Which fish can be easily grown in brackish water with quick growth rate and can tolerate the fluctuations in temperature?
Which Institute of UN collects and maintains the data related to the food production consumption and hunger related information of various countries?
Casein present in milk in which state
What is the botanical name of Sal tree?
During the light-dependent reactions of photosynthesis, ATP and NADPH are produced in the:
Cell is the fundamental structural and functional unit of all living organisms. It was first discovered by ____
Depth of submergence (cm) required during transplanting stage in rice crop is
