India's largest Dry Dock is being developed at -

In which district are the famous Suratgarh mechanical farming farms?

In this question relationships between different elements are shown in the statements. These statements are followed by two conclusions.
Statements K≤L≤M=N                
                   P≥O≥N      
Conclusions. I. K<P        
                     II. K=P

If $$ {x+{1\over 16x}}=1 $$, then $$ {64x^{3}+{1\over 64x^{3}}}$$ will be:

If $$ x=(164)^{169}+ (333)^{337}-(727)^{726}$$ then what is the units digit of x?

Which letter set will come in place of question mark (?) in the following series?
LOK, PQP, VSV, DUC, ?